Charles R. Clark, MD

Portrait
Dr. Michael Bonfiglio Professor
Professor of Orthopedics and Rehabilitation
Professor of Biomedical Engineering (BME)

Contact Information

Primary Office
01075 JPP
Iowa City, IA 52242
319-356-2332

Education

BS, University of Notre Dame
MD, Medicine, University of Michigan
Post Doctural Student, Yale University
Resident, Surgery, Yale Medical Center
Resident, Pediatric Orthopaedic Surgery, Newington Children's Hosp. (Connecticut)
Resident, Orthopaedic Surgery, Yale Medical Center
Postdoctoral Fellow, Yale University School of Medicine
Resident, Orthopaedic Surgery, Yale Medical Center
Resident, Chief Resident, Orthopaedic Surgery, Yale Medical Center

Licensure and Certifications

Fellow - American College of Surgeons
Fellow - American Academy of Orthopaedic Surgeons
American Board of Orthopaedic Surgery
State of Iowa Medical Permanent License
Diplomate - National Board of Medical Examiners

Research Summary

Adult Reconstructive Surgery: cervical spine, hip reconstruction and knee reconstruction

Publications

Noiseux, N. O., Callaghan, J. J., Clark, C. R., Zimmerman, M. B., Sluka, K. & Rakel, B. A. (2014). Preoperative Predictors of Pain Following Total Knee Arthroplasty. J Arthroplasty, 7. PMID: 24630598.

Martin, C. T., Pugely, A. J. & Clark, C. R. (2013). A Comparison of Hospital Length Stay and Short Term Morbidity Between the Anterior and Posterior Approach to Total Hip Arthroplasty. J Arthroplasty, 28(5), 849-54. PMID: 23489731.

Dennis, D. A., Heekin, R. D., Clark, C. R., Murphy, J. A., O’Dell, T. L. & Dwyer, K. A. (2013). Effect of Implant Design on Knee Flexion. J Arthroplasty, 28(3), 429-38. PMID: 23219622.

Herickhoff, P. K., Callaghan, J. J., Johnston, R. C., Marsh, J. L., Clark, C. R. & Noiseux, N. O. (2010). Primary Hip and Knee Replacement: "Are We All Operating On The Same Patients, Even At The Same Institution?". PMID: 21045982.

Mendoza, S. A., Clifford, K., Bartelt, R., Stewart, J., Clark, C. R. & Boezaart, A. P. (2008). Dysphagia Following Anterior Cervical Arthrodesis Is Associated with Continuous, Strong Retraction of the Esophagus. PMID: 18245583.

Clark, C. R., Huddleston, H. D., Schoch III, E. P. & Thomas, B. J. (2006). Leg Length Discrepancy After Total Hip Replacement. J Am Acad Orthop Surg, 14(1), 38-45. PMID: 16394166.

Clark, C. R., Rorabeck, C. H., MacDonald, S. J., McDonald, D., Swafford, J. & Cleland, D. (2001). Posterior Stabilized and Posterior Cruciate Retaining Total Knee Replacement: A Randomized Controlled Study. Clinical Orthopaedics and Related Research, 392, 208-12. PMID: 11716384.

Clark, C. R., Goetz, D. D. & Menezes, A. H. (1989). Cervical Spine Arthrodesis in Rheumatoid Arthritis. Journal of Bone and Joint Surgery, 71(3), 381-92. PMID: 2925711.

Clark, C. R., White, A. A. (1985). Fractures of the Dens: A Multicenter Study. J. of Bone and Joint Surg, 67(9), 1340-1349. PMID: 4077905.

Clark, C. R., Morgan, C., Sonstegard, D. A. & Matthews, L. S. (1977). The Effect of Biopsy Hole Shape and Size on Bone Strength. J. Bone and Joint Surg, 59(A), 213-217. PMID: 845207.

Day, M. A., Anthony, C. A., Bedard, N. A., Glass, N. A., Clark, C. R., Callaghan, J. J., Noiseux, N. O. (2018). Increasing Perioperative Communication with Automated Mobile Phone Messaging in Total Joint Arthroplasty. Journal of Arthroplasty, 33(1), 19-24. PMID: PMID: 29017803.

Hadlandsmyth, K., Zimmerman, M. B., Wajid, R., Sluka, K. A., Herr, K., Clark, C. R., Noiseux, N. O., Callaghan, J. J. & Rakel, B. A. (In Press). Longitudinal Postoperative Course of Pain and Dysfunction following Total Knee Arthroplasty. The Clinical Journal of Pain. PMID: 28731957.

Cooper, N. A., Rakel, B. A., Zimmerman, M. B., Tonelli, S. M., Herr, K., Clark, C. R., Noiseux, N. O., Callaghan, J. J. & Sluka, K. A. (2017). Predictors of Multidimensional Functional Outcomes after Total Knee Arthroplasty. Journal of Orthopaedic Research. PMID: 28471509.

McDanel, D. L. (In Press). Screening for Beta-Lactam Allergy in Joint Arthroplasty Patients to Improve Surgical Prophylaxis Practice. The Journal of Arthroplasty. PMID: 28236547.

Glass, N. A., Segal, N. A., Callaghan, J. J., Clark, C. R., Noiseux, N. O., Gao, Y. & Johnston, R. (2016). Comparison of the Extent to which Total Hip and Total Knee Arthroplasty Restore Patient-reported Physical Function. Osteoarthritis and Cartilage, 24, 1875-1882. PMID: 27349459.

Haleem, A., Chiang, H. Y., Vodela, R., Behan, A., Pottinger, J. M., Smucker, J., Greenlee, J. D., Clark, C. R. & Herwaldt, L. A. (2016). Risk Factors for Surgical Site Infections Following Adult Spine Operations. Infect Control Hosp Epidemiol., 1-10. PMID: 27573067.

Glass, N., Segal, N. A., Callaghan, J. J., Clark, C. R., Noiseux, N. O., Gao, Y. & Johnston, R. (2016). Comparison of the Extent to Which Total Hip and Total Knee Arthroplasty Restore Patient-Reported Physical Function. Osteoarthritis and Cartilage Journal.

Haleem, A., Chiang, H., Vodela, R., Behan, A., Pottinger, J. M., Smucker, J., Greenlee, J. D., Clark, C. R. & Herwaldt, L. A. (2016). Risk Factors for Surgical Site Infections Following Adult Spinal Operations. Infection Control and Hospital Epidemiology Journal.

Glass, N. A., Segal, N. A., Callaghan, J. J., Clark, C. R., Noiseux, N. O., Gao, Y. & Johnston, R. (2016). Comparison of the extent to which total hip and total knee arthroplasty restore patient-reported physical function. Osteoarthritis Cartilage. PMID: 27349459.

Frey-Law, L. A., Bohr, N. L., Sluka, K. A., Herr, K., Clark, C. R., Noiseux, N. O., Callaghan, J. J., Zimmerman, M. B. & Rakel, B. A. (2016). Pain Sensitivity Profiles in Patients with Advanced Knee Osteoarthritis. Pain Journal. PMID: 27152688.

Hadlandsmyth, K., Sabin, E., Zimmerman, M. B., Sluka, K. A., Herr, K. A., Clark, C. R., Noiseux, N. O., Callaghan, J. J., Geasland, K. M., Embree, J. L. & Rakel, B. A. (2016). Pain Intensity, Pain-Related Distress, and Psychological Distress in Pre-Surgical Total Knee Arthroplasty Patients: A Secondary Analysis. Psychology, Health, and Medicine.

Holt, J. B., Miller, B. J., Callaghan, J. J., Clark, C. R., Willenborg, M. & Noiseux, N. O. (2015). Minimizing Blood Transfusion in Total Hip and Knee Arthroplasty Through a Multimodal Approach. J Arthroplasty, 31, 378-382. PMID: 26391927.

Kindsfater, K. A., Pomeroy, D., Clark, C. R., Gruen, T. A., Murphy, J. & Himsden, S. (2015). In Vivo Performance of Moderately Crosslinked, Thermally Treated Polyethylene in a Prospective Randomized Controlled Primary Total Knee Arthroplasty Trial. J Arthroplasty, 30(8), 1333-8. PMID: 25776739.

Sabic, E., Hadlandsmyth, K., Embree, J., Sluka, K., Geasland, K., Herr, K., Clark, C. R., Noiseux, N., Zimmerman, B. & Rakel, B. (2015). Catastrophizing moderates the relation between pain intensity and pain-related distress. The Journal of Pain.

Bussler, J., O-Sullivan, C., Sluka, K., Herr, S., Booker, S., Clark, C. R., Noiseux, N., Callaghan, J. J., Rakel, B. & Zimmerman, M. (2015). The effect of regional versus general intraoperative anesthesia/analgesia on postoperative pain and analgesic use following total knee replacement. Journal of Pain.

Clark, C. R. (2015). Cervical Discectomy and Interbody Fusion. JBJS Classics/Ortho Buzz.

Glass, N., Callaghan, J. J., Clark, C. R., Noiseux, N. O., Johnston, R., Segal, N. A. & Torner, J. C. (2015). Comparison of the Extent to Which Total Hip and Total Knee Arthroplasty Restore Patient-Reported Physical Function. Osteoarthritis and Cartilage Journal.

Rakel, B. A., Zimmerman, M. B., Geasland, K., Embree, J., Clark, C. R., Noiseux, N. O., Callaghan, J. J., Herr, K., Walsh, D. & Sluka, K. A. (2014). Transcutaneous Electrical Nerve Stimulation (TENS) for the Control of Pain during Rehabilitation Following Total Knee Arthroplasty (TKA): A Randomized, Blinded, Placebo-Controlled Trial. Pain Journal, 155(12), 2599-611. PMID: 25270585.

Holt, J., Miller, B., Callaghan, J. J., Clark, C. R., Willenborg, M., Noiseux, N. O., Holt, J., Miller, B., Callaghan, J. J., Clark, C. R., Willenborg, M., Noiseux, N. O. (Eds.) (2014). Eliminating Blood Transfustion in Primary Total Hip and Knee Arthroplasty: An Achievable Goal? (AAHKS Annual Meeting).

Williford, N. N., Glass, N., Johnston, R., Noiseux, N. O., Callaghan, J. J., Clark, C. R., Segal, N. A., Williford, N. N., Glass, N., Johnston, R., Noiseux, N. O., Callaghan, J. J., Clark, C. R., Segal, N. A. (Eds.) (2014). The Extent to Which Hip and Knee Arthroplasty Replace Joint Function: An Update. (Medical School Research Day).

Holt, J., Miller, B., Callaghan, J. J., Clark, C. R., Willenborg, M., Noiseux, N., Holt, J., Miller, B., Callaghan, J. J., Clark, C. R., Willenborg, M., Noiseux, N. (Eds.) (2014). Eliminating Blood Transfusion in Primary Total Hip and Knee Arthroplasty: An Achievable Goal? (AAOS Annual Meeting.).

Cooper, N. A., Rakel, B., Tonelli, S. M., Clark, C. R., Noiseux, N. O., Callaghan, J. J., Johnston, R. C., Sluka, K. A., Cooper, N. A., Rakel, B., Tonelli, S. M., Clark, C. R., Noiseux, N. O., Callaghan, J. J., Johnston, R. C., Sluka, K. A. (Eds.) (2013). Improvement in Perceived Disability and Quality of Life after Total Knee Arthroplasty is Not Reflected in Change in Function by Accelerometry. Arthritis Care and Research.

Noiseux, N. O., Callaghan, J. J., Clark, C. R., Rakel, B., Tonelli, S. M., Sluka, K. A., Cooper, N. A., Noiseux, N. O., Callaghan, J. J., Clark, C. R., Rakel, B., Tonelli, S. M., Sluka, K. A., Cooper, N. A. (Eds.) (2013). Daily Activities, in Particular High-Cadence Walking, are Limited by Knee Osteoarthritis and Correlate with Perceived Disability and Quality of Life. (AAOS Annual Meeting.).

Noiseux, N. O., Callaghan, J. J., Clark, C. R., Sluka, K. A., Rakel, B. A., Noiseux, N. O., Callaghan, J. J., Clark, C. R., Sluka, K. A., Rakel, B. A. (Eds.) (2012). Predictors of Pain Following Total Knee Arthroplasty (AAHKS).

Rakel, B. A., Blodgett, N. P., Zimmerman, M. B., Logsden-Sacket, N., Clark, C. R., Noiseux, N. O., Callaghan, J. J., Herr, K., Geasland, K., Yang, X. & Sluka, K. (2012). Predictors of Postoperative Movement Pain following Total Knee Replacement. Pain, 153(11), 2192-203. PMID: 22840570.

Noiseux, N. O., Callaghan, J. J., Clark, C. R., Sluka, K. A., Rakel, B. A., Noiseux, N. O., Callaghan, J. J., Clark, C. R., Sluka, K. A., Rakel, B. A. (Eds.) (2012). Predictors of Pain Following Total Knee Arthroplasty (The Knee Society, Annual Meeting.).

Kalil, G. Z., Ernst, E. J., Johnson, S. J., Johannsson, B., Polgreen, P. M., Bertolatus, J. A. & Clark, C. R. (2012). Systemic Exposure to Aminoglycosides Following Knee and Hip Arthroplasty with Aminogylcoside-Loaded Bone Cement Implants. Ann Pharmacother, 46(7-8), 929-34. PMID: 22764326.

Clark, C. R. (2012). National Webinar Panelist: 2nd Annual Role of the Orthopaedic Surgeon Study. The Journal of Bone and Joint Surgery.

Lee, J. E., Rakel, B. A., Johnston, J., Angstrom, W., Logsden-Sacket, N., Perkhounkova, Y., Yang, X., Clark, C. R., Noiseux, N. O., Callaghan, J. J., Sluka, K. A., Lee, J. E., Rakel, B. A., Johnston, J., Angstrom, W., Logsden-Sacket, N., Perkhounkova, Y., Yang, X., Clark, C. R., Noiseux, N. O., Callaghan, J. J., Sluka, K. A. (Eds.) (2012). Does Rehabilitation Dose Predict Functional Recovery after Total Knee Replacement? (The American Pain Society Annual Meeting.).

Noiseux, N. O., Callaghan, J. J., Clark, C. R., Sluka, K. A., Rakel, B. A., Noiseux, N. O., Callaghan, J. J., Clark, C. R., Sluka, K. A., Rakel, B. A. (Eds.) (2012). Predictors of Pain Following Total Knee Arthroplasty (AAOS Annual Meeting).

Lee, J. E., Rakel, B. A., Johnston, T. S., Angstrom, W., Logsden-Sacket, N., Perkhounkova, Y., Yang, X., Clark, C. R., Noiseux, N. O., Callaghan, J. J. & Sluka, K. A. (2012). Does Rehabilitation Dose Predict Early Functional Recovery after Total Knee Replacement?”. Physical Therapy Journal.

Searcy, D., Cha, C., Boden, S. & Clark, C. R. (2012). Rheumatoid Arthritis in the Cervical Spine. In Cervical Spine, 5th Edition. The Cervical Spine Research Society.

Clark, C. R. (2011). Coagulation, Thromboembolism, and Blood Management in Orthopaedic Surgery. - Chapter 12.

Clark, C. R. (2011). Introduction and General Considerations - Chapter 6.1. In J. Vidalain , T. Selmi , D. Beverland , S. Young , T. Board , J. Bold , S. Brumby , J. Vidalain , T. Selmi , D. Beverland , S. Young , T. Board , J. Bold , S. Brumby (Eds.) The CORAIL Hip System: A Practical Approach Based on 25 Years of Experience. pp. 194. Springer.

Clark, C. R., Clark, C. R. (Eds.) (2010). Does Implant Design Improve Postoperative Flexion? A Prospective Multi-Center RCT in Simultaneous Bilateral Knees (ORS 56th Annual Meeting.).

Nimmons, G., Van Daele, D. J., Hoffman, H. T., Rao, S. S. & Clark, C. R. (2010). Multifactorial Dysphagia: Diffuse Idiopathic Skeletal Hyperostosis and Eosinohilic Esophagitis. Laryngoscope, 120(1), 23-5. PMID: 19877204.

Herickhoff, P. K., Callaghan, J. J., Johnston, R., Marsh, J. L., Clark, C. R. & Noiseux, N. (2010). Primary hip and knee replacement: Are we all operating on the same patients, even at the same institution?. The Iowa Orthopaedic Journal, 30, 109-14. PMID: 21045982.

Johannsson, B., Taylor, J., Clark, C. R., Shamsuddin, H., Beekmann, S. E. & Polgreen, P. (2010). Treatment Approaches to Prosthetic Joint Infections: Results of an Emerging Infections Network Survey. Diagn Microbiol Infect Dis, 66(1), 16-23. PMID: 19782494.

Bhandari, M., Matta, J. M., Dodgin, D., Clark, C. R., Kregor, P., Bradley, G. & Little, L. (2009). Outcomes following the single incision anterior approach to total hip arthroplasty: A multi-center observational study. Orthop Clin North Am, 40(3), 329-42. PMID: 19576400.

Sprague, S., Matta, J. M., Bhandari, M., ATHAC Investigators, Dodgin, D., Clark, C. R., Kregor, P., Bradley, G. & Little, L. (2009). Multicenter collaboration in observational research Improving Generalizability and Efficiency. PMID: 19411504.

Rao, S., Clark, C. R., Van Daele, D. J., Rao, S., Clark, C. R., Van Daele, D. J. (Eds.) (2009). Multifactorial dysphagia: DISH and Eosinophilic Esophagitis. (American Academy of Otolaryngology Annual Meeting.).

Clark, C. R. (2009). (Podcast for) - Functional Outcome and Rage of Motion of High-Flexion Posterior Cruciate-retaining and High-Flexion Posterior Stabilized Total Knee Prostheses: A Prospective, Randomized Study. JBJS.

Clark, C. R. (2009). Perioperative Blood Management in Total Hip Arthroplasty. Instructional Course Lectures, AAOS, 58, 167-172. PMID: 19385529.

Mendoza-Lattes, S., Clark, C. R. (2008). Avoiding Dysphasia Following Anterior Cervical Arthrodesis. Video presentation for Journal of Orthopaedics.

Scott, R. D., Scott, R. D. (Eds.) (2008). Total Knee Arthroplasty. Bone and Joint Surgery, 90, 688.

Clark, C. R. (2008). "I Have a Patient that is Complaining of a Leg Length Inequality Following Surgery. What Should I Tell Her? - Chapter #37.

Eisenhuth, S. A., Saleh, K. J., Cui, Q., Clark, C. R. & Brown, T. E. (2006). Patellofemoral Instability after Total Knee Arthroplasty. Clin Orthop Relat Res, 446, 149-60. PMID: 16672884.

Mulhall, K. J., Ghomrawi, H. M., Engh, G. A., Clark, C. R., Lotke, P., Saleh, K. J., Mulhall, K. J., Ghomrawi, H. M., Engh, G. A., Clark, C. R., Lotke, P., Saleh, K. J. (Eds.) (2006). Radiographic prediction of intraoperative bone loss in knee arthroplasty revision. (Vols. 446). pp. 51-58. CORR. PMID: 16672872.

Clark, C. R., Buckwalter IV, J. A. & Amendola, A. (2006). Articular Cartilage and Meniscus: Biology, Biomechanics and Healing Response. In W. N. Scott , W. N. Scott (Eds.) Surgery of the Knee 4th Edition Volume 1. pp. 307-316. Churchill Livingstone Elsevier, Philadelphia.

Clark, C. R. (2006). Perioperative Management - Chapter 18.

Clark, C. R., et al (2006). Perioperative Autotransfusion in Total Hip and Knee Arthroplasty. J Arthroplasty, 21(1), 23-35. PMID: 16446182.

Clark, C. R. (2005). Long-Term Outcomes Did Not Differ After Resurfacing or Nonresurfacing in Total Knee Arthroplasty. J Bone Joint Surg Am, 87(8), 1889. PMID: 16085638.

(2005). Commentary: Patellar Resurfacing Versus Non-Resurfacing in Total Knee Arthroplasty: Results of a Randomized Controlled Clinical Trial at a Minimum of Ten Years’ Follow-up”. J Bone and Joint Surgery, 428, 12-25.

Bono, J. V., Scott, R. D., Bono, J. V., Scott, R. D. (Eds.) (2005). Revision Total Knee Arthroplasty. J Bone and Joint Surgery, 87, 2600. DOI: 10.2106/00004623-200511000-00044.

Boden, S. D., Clark, C. R. (2005). Rheumatoid Arthritis Involvement of the Cervical Spine. In The Cervical Spine, 4th Edition. Lippincott, Williams and Wilkins.

Clark, C. R. (2005). The Cervical Spine, 4th Edition. Lippincott, Williams and Wilkins.

(2004). Commentary: "Patellar Resurfacing Versus Non-Resurfacing in Total Knee Arthroplasty: Results of a Randomized Controlled Clinical Trial at a Minimum of Ten Years’ Follow-up”. Clin Orthop Related Research, 428, 12-25.

MacDonald, S. J., Rorabeck, C. H., Marr, J. T., Clark, C. R., Swafford, J., MacDonald, D. A., MacDonald, S. J., Rorabeck, C. H., Marr, J. T., Clark, C. R., Swafford, J., MacDonald, D. A. (Eds.) (2004). A Multicentered Randomized Controlled Trial to Compare Posterior Cruciate Sparing versus Posterior Cruciate Substitution in Total Knee Arthroplasty". (Proceedings of the 11th Meeting of the Combined Orthopaedic Associations).

(2004). Preparing a Manuscript for Publication. (Vols. 1). (1), pp. 10-12. India: Delhi Journal of Orthopaedics.

Taggard, D. A., Kraut, M. A., Clark, C. R. & Traynelis, V. C. (2004). Case-Controlled Study Comparing the Efficacy of Surgical Techniques for C1-C2 Arthrodesis. J. Spinal Disorders Tech, 17(3), 189-94. PMID: 15167334.

North American Knee Arthroplasty Revision (N.A.K.A.R.) Study Group, Clark, C. R. (2004). Predictive Validity of The Knee Society Index of Severity A Prospective Multicenter Cohort Study. J Arthroplasty, 19(13), 322-328. PMID: 15067645.

Saleh, K., Clark, C. R., Saleh, K., Clark, C. R. (Eds.) (2004). The Mode of Frequency of Failure Necessitating TKASR: A Fifteen Center Prospective Cohort Study. (American Academy of Orthopaedic Surgeons, Annual Meeting.).

Kaminsky, S. B., Clark, C. R. & Traynelis, V. C. (2004). Operative Treatment of Cervial Spondylotic Myelopathy and Radiculopathy – A Comparison of Laminectomy and Laminoplasty at Five Year Average Follow-up. Iowa Orthopaedic Journal, 24, 95-105. PMID: 15296214.

Haher, T. R., Merola, A. A., Haher, T. R., Merola, A. A. (Eds.) (2004). Surgical Techniques for the Spine. J Bone and Joint Surgery, 86A(2), 454. DOI: 10.2106/00004623-200402000-00057.

Clark, C. R. (2003). (Web Commentary) Simultaneous Bilateral Total Knee Arthroplasty and Unilateral Total Knee Arthroplasty: Comparison of Perioperative Complications. J Bone and Joint Surgery.

Emery, S. E., Boden, S. D., Emery, S. E., Boden, S. D. (Eds.) (2003). Surgery of the Cervical Spine. J Bone and Joint Surgery, 84A, 1644. DOI: 10.2106/00004623-200308000-00057.

Saleh, K. J., Clark, C. R., Sharkey, F. G., Goldberg, V. M., Rand, J. A. & Brown, G. A. (2003). Modes of Failure and Preoperative Evaluation. J Bone Joint Surg Am, 85-A(Suppl 1), S21-5. PMID: 12540666.

Clark, C. R. (2002). Venous Thromboembolic Prophylaxis Following Total Hip Arthroplasty: North American Perspective. Am J Orthop, 31(9 Suppl), 12-9. PMID: 12349890.

Clark, C. R., Heckman, J. (2002). Editorial Reply: Volume versus Outcomes in Orthopaedic Surgery: A Proper Perspective is Paramount. J Bone and Joint Surg, 84A, 1715-1716.

Clark, C. R., Hart, R. A. (2002). Lower Cervical Spine Injuries. In Oxford Textbook of Orthopaedics and Trauma. Oxford University Press.

Adams, J. C., Hamblen, D. L., Adams, J. C., Hamblen, D. L. (Eds.) (2002). Outline of Orthopaedics, 13th Ed, Edinburgh: Churchill Livingstone. J Bone and Joint Surg, 84A, 898.

Clark, C. R., Hart, R. A. (2002). The Rheumatoid Neck - Chapter 154. In Chapman’s Orthopaedic Surgery, Third Edition. Lippincott, Williams and Wilkins.

Saleh, K. J., Macaulay, A., Radosevich, D. M., Clark, C. R., Engh, G., Gross, A., Haas, S., Johanson, N. A., Krackow, K. A., Laskin, R., Norman, G., Rand, J., Saleh, L., Scuderi, G., Sculco, T. & Windsor, R. (2001). The Knee Society Index of Severity for Failed Total Knee Arthrolasty: Development and Validation. Clin Ortho and Related Res, 392, 153-165. PMID: 11716378.

Saleh, K. J., Macaulay, A., Radosevich, D. M., Clark, C. R., Engh, G., Gross, A., Haas, S., Johanson, N. A., Krackow, K. A., Laskin, R., Norman, G., Rand, J., Saleh, L., Scuderi, G., Sculco, T. & Windsor, R. (2001). The Knee Society Index of Severity for Failed Total Knee Arthrolasty: Practical Application. Clin Ortho and Related Res, 392, 166-73. PMID: 11716379.

Clark, C. R., Heckman, J. D. (2001). Volume Versus Outcomes in Orthopaedic Surgery: A Proper Perspective is Paramount. J Bone Joint Surg Am, 83-A(11), 1619-21. PMID: 11701782.

Puttlitz, C. M., Goel, V. K., Traynelis, V. C. & Clark, C. R. (2001). A Finite Element Investigation of Upper Cervical Fixation. Spine, 26(22), 2449-55. PMID: 11707709[.

Clark, C. R., Rorabeck, C. H., MacDonald, S. J., McDonald, D., Swafford, J., Cleland, D., Clark, C. R., Rorabeck, C. H., MacDonald, S. J., McDonald, D., Swafford, J., Cleland, D. (Eds.) (2001). Posterior Sacrificed Versus Cruciate Retaining Implants in TKA: Results from a Multi-Center Randomized Trial. (American Academy of Orthopaedic Surgeons, Annual Meeting.).

Clark, C. R., Heckman, J. (2001). Editorial: A Concise Format for Reporting the Longer-Term Follow-up Status of Patients Managed with Total Hip Arthroplasty. J Bone and Joint Surg, 83A, 1779-1780. DOI: 10.1039/b103990n.

Clark, C. R., Bauer, T. (2000). Editorial: Routine Pathological Examination of Operative Specimens from Primary Total Hip and Total Knee Replacement: Another Look. J Bone and Joint Surg, 82A(11), 1529-1530. DOI: 10.2106/00004623-200011000-00001.

Puttlitz, C. M., Goel, V. K., Clark, C. R. & Traynelis, V. C. (2000). Pathomechanisms of Failures of the Odontoid. Spine, 25(22), 2868-76. PMID: 11074672.

Clark, C. R., Rorabeck, C. H., MacDonald, S. J., McDonald, D., Swafford, J., Cleland, D., Clark, C. R., Rorabeck, C. H., MacDonald, S. J., McDonald, D., Swafford, J., Cleland, D. (Eds.) (2000). A Randomized Controlled Multi-Center Clinical Trial Comparing the Outcomes between Posterior Stabilized and Posterior Cruciate Retaining Primary Total Knee Replacements. (The Knee Society, Interim Meeting.).

Puttlitz, C. M., Goel, V. K., Clark, C. R., Traynelis, V. C., Scifert, J. L. & Grosland, N. M. (2000). Biomechanical Rationale for the Pathology of Rheumatoid Arthritis in the Craniovertebral Junction. Spine, 25(13), 1607-16. PMID: 10870135.

Hart, R., Saterbak, A., Rapp, T. & Clark, C. R. (2000). Non-Operative Management of Dens Fracture Non-Union in Elderly Patients without Myelopathy. Spine, 25(11), 1339-43. PMID: 10828914.

Totoribe, K., Scifert, J., Goel, V., Clark, C. R., Reinhardt, J., Bolinger, L., Totoribe, K., Scifert, J., Goel, V., Clark, C. R., Reinhardt, J., Bolinger, L. (Eds.) (2000). A Finite Element Model of the Ligamentous C5-C6 Segments with Spinal Cord used to Predict Stresses and Strains in the Cord. (Orthopaedic Research Society, Annual Meeting.).

Clark, C. R. (2000). Correspondence, regarding Editorial: A Potential Concern in Total Joint Arthroplasty: Systemic Dissemination of Wear Debris. J. Bone and Joint Surgery.

Clark, C. R. (2000). Editorial: A Potential Concern in Total Joint Arthroplasty: Systemic Dissemination of Wear Debris. J Bone and Joint Surg, 82A, 455-456. DOI: 10.2106/00004623-200004000-00001.

An, H. S., Riley, L. H., An, H. S., Riley, L. H. (Eds.) (1999). An Atlas of Surgery of the Spine. Martin Dunitz, 81A, 596. DOI: 10.2106/00004623-199904000-00023.

Magnusson, M. L., Pope, M. H., Hasselquist, L., Bolte, K. M., Ross, M., Wittek, M., Goel, V. K., Lee, J. S., Spratt, K., Clark, C. R. & Wilder, D. G. (1999). Cervical Electromyographic Activity during Low-Speed Rear Impact. Eur Spine J, 8(2), 118-25. PMID: 10333150.

Kaminsky, S., Clark, C. R. (1999). Cervical Laminoplasty for Cervical Spondylotic Radiculopathy or Myelopathy: Three Year Average Follow-up. (Vols. 22). pp. 1176. Orthopaedic Transactions.

Clark, C. R. (1999). Cervical Rheumatoid Subluxation with Myelopathy. Clinical Opinion (J. Spinal Disorders).

Hart, R., Saterbak, A., Rapp, T. & Clark, C. R. (1999). Non-Operative Treatment of Dens Non-Union in Elderly Patients Without Myelopathy. (Vols. 22). pp. 462-463. Orthopaedic Transactions.

Lotke, P. A., Garino, J. P., Lotke, P. A., Garino, J. P. (Eds.) (1999). Revision Total Knee Arthroplasty, Lippincott-Raven. J. Bone and Joint Surgery, 81A.

Clark, C. R. (1998). Correspondence, regarding Editorial: The Prospective, Randomized Double-Blind Clinical Trial in Orthopaedic Surgery. J. Bone and Joint Surgery, 80A, 923.

Clark, C. R. (1998). Correspondence, regarding Editorial: The Prospective, Randomized Double-Blind Clinical Trial in Orthopaedic Surgery. J. Bone and Joint Surgery, 80A, 1395.

Ballard, W. T., Clark, C. R. (1998). Fractures of the Dens. In The Cervical Spine, 3rd Ed. J.B. Lippincott.

Boden, S. D., Clark, C. R. (1998). Rheumatoid Arthritis of the Cervical Spine: Predictors of Paralysis and Recovery. In The Cervical Spine, 3rd Edition. J. B. Lippincott.

Clark, C. R., Menezes, A. H. (1998). Rheumatoid Arthritis: Surgical Considerations. Chapter 41. In R. -Simeone , R. -Simeone (Eds.) The Spine Ed 4, Vol. II. W.B. Saunders.

Clark, C. R. (1998). The Cervical Spine, 3rd Edition. J.B. Lippincott.

Kaminsky, S., Clark, C. R. (1997). Cervical Laminoplasty for Cervical Spondylotic Radiculopathy or Myelopathy: Three Year Average Follow-up. (Vols. 21). pp. 564. Orthopaedic Transactions.

Kaminsky, S., Clark, C. R. (1997). Cervical Laminoplasty for Cervical Spondylotic Radiculopathy or Myelopathy: Three Year Average Follow-up. (Vols. 21). (413) Orthopaedic Transactions.

Clark, C. R. (1997). Degenerative Conditions of the Cervical Spine: Differential Diagnosis and Nonoperative Management. In J. Frymoyer , J. Frymoyer (Eds.) The Adult Spine. pp. 1323-1347. Raven Press.

Clark, C. R. (1997). Editorial: The Prospective, Randomized, Double-Blind Clinical Trial in Orthopaedic Surgery. J. Bone and Joint Surgery, 79A, 1119-1120. DOI: 10.2106/00004623-199708000-00001.

Kaminsky, S., Clark, C. R. (1996). Cervical Laminoplasty for Cervical Spondylotic Radiculopathy or Myelopathy: Three Year Average Follow-up. (Vols. 20). (2), pp. 351-352. Orthopaedic Transactions.

Insall, J., Scott, W. N., Scuderi, G., Insall, J., Scott, W. N., Scuderi, G. (Eds.) (1996). Current Concepts in Primary and Revision Total Knee Arthroplasty, Churchill Livingstone. J. Bone and Joint Surgery, 78A, 1453-54.

(1996). The Sciatic Syndrome, Slack, Inc. J. Bone and Joint Surgery, 78A, 1293. DOI: 10.2106/00004623-199608000-00026.

Ballard, W. T., Clark, C. R. (1995). Increased Atlantoaxial Instability Secondary to an Atraumatic Dens Fracture in a Patient with Rheumatoid Arthritis. J. Bone and Joint Surg, 77A, 1245-8. PMID: 7642672.

Clark, C. R. (1995). The Cervical Spine in Rheumatoid Arthritis: Natural History and Diagnostic Criteria for Operation. In H. Baumgartner , J. Dvorak , H. Baumgartner , J. Dvorak (Eds.) Rheumatoid Arthritis: Current Trends in Diagnostic, Conservative Treatment and Surgical Reconstruction. Geroge Thiene Verlag, Stuttgart, New York.

Clark, C. R. (1994). Rheumatoid Involvement of the Cervical Spine: An Overview. Spine, 19(20), 2257-8. PMID: 7846568.

Lee, S., Harris, K. G., Goel, V. K. & Clark, C. R. (1994). Spinal Motion After Cervical Fusion: In-Vivo Assessment with Roentgen Stereophotogrammetry. Spine, 19(20), 2336-42. PMID: 7846580.

Krieg, J. C., Clark, C. R. & Goetz, D. D. (1994). Cervical Spine Arthrodesis in Rheumatoid Arthritis: A Long Term Follow-up. (Vols. 18). pp. 817. Orthop. Trans.

Krieg, J. C., Clark, C. R. & Goetz, D. D. (1994). Cervical Spine Arthrodesis in Rheumatoid Arthritis: A Long Term Follow-up. (Vols. 18). pp. 363-364. Orthop. Trans.

Clark, C. R. (1994). Common Neck Problems. In C. R. Clark , M. B. Bonfiglio , C. R. Clark , M. B. Bonfiglio (Eds.) Orthopaedics Essential of Diagnosis and Treatment. pp. 285-294. Churchill Livingstone.

Clark, C. R. (1994). Editorial: Cost Containment: Total Joint Implants. J. Bone and Joint Surgery, 76A, 799-800.

Clark, C. R. (1994). Examination of the Neck. In C. R. Clark , M. B. Bonfiglio , C. R. Clark , M. B. Bonfiglio (Eds.) Orthopaedics Essential of Diagnosis and Treatment. pp. 11-18. Churchill Livingstone.

Clark, C. R. (1994). Introduction to the Musculoskeletal Exam. In C. R. Clark , M. D. Bonfiglio , C. R. Clark , M. D. Bonfiglio (Eds.) Orthopaedics: Essentials of Diagnosis and Treatment. pp. 1-10. Churchill Livingstone.

Clark, C. R. (1994). Orthopaedics: Essentials of Diagnosis and Treatment. C. R. Clark , M. B. Bonfiglio , C. R. Clark , M. B. Bonfiglio (Eds.) pp. 390 pages. Churchill Livingstone, New York.

Clark, C. R. (1994). Posterior Stabilization of the Occipito Atlanto Axial Complex. In H. Sherk , H. Sherk (Eds.) The Cervical Spine: An Atlas of Cervical Procedures. pp. 127-144. J.B. Lippincott.

Eftekhar, N. S., Eftekhar, N. S. (Eds.) (1994). Total Hip Arthroplasty. J. Bone and Joint Surgery, 76A, 797-798. DOI: 10.2106/00004623-199405000-00031.

Lee, S., Harris, K. G., Nassif, J., Goel, V. K. & Clark, C. R. (1993). In Vivo Kinematics of the Cervical Spine; Part I: Development of a Roentgen Stereophotogrammetric Technique Using Metallic Markers and Assessment of its Accuracy. J Spinal Disorders, 6(6), 522-34. PMID: 8130401.

Goldring, S. R., Clark, C. R. & Wright, T. M. (1993). Editorial: The problem in total joint arthroplasty: aseptic loosening. J Bone Joint Surg Am, 75A, 799-801. PMID: 8314820.

Nelson, L. M., Clark, C. R. (1993). Efficacy of Phemister Bone Grafting in Non traumatic Aspetic Necrosis of the Femoral Head. J. Arthroplasty, 8(3), 253-8. PMID: 8326305.

Ballard, T., Clark, C. R. & Callaghan, J. J. (1993). Recurrent Spontaneous Hemarthrosis Nine Years After Total Knee Arthroplasty: A Presentation of Pigmented Villonodular Synovitis. J. Bone and Joint Surgery, 75(5), 764-7. PMID: 8501094.

Fehrle, M. J., Callaghan, J. J., Clark, C. R. & Peterson, K. K. (1993). Uncemented Total Hip Arthroplasty in Patients with Aseptic Necrosis of the Femoral Head and Previous Bone Grafting. J Arthroplasty, 8(1), 1-6. PMID: 8436984.

Clark, C. R. (1993). Back to Basics. Spine, 18, 1936-1938.

Krieg, J. C., Clark, C. R. & Goetz, D. D. (1993). Cervical Spine Arthrodesis in Rheumatoid Arthritis A Long Term Follow-up. Yale J Biology & Med, 66(3), 257-62. PMID: 8209561.

Clark, C. R. (1993). Os Odontoideum. Clinical Opinion (J. Spinal Disorders), 6, 368-369.

Clark, C. R. (1993). Rheumatoid C1-2 Spinal Instability. Clinical Opinion (J. Spinal Disorders), 6, 540.

Chang, H., Found, E. M., Clark, C. R., Goel, V. K. & Gung, C. S. (1992). Meniscus Like Synovial Fold in the Atlantoaxial (C1 C2) Joint. (J. Spinal Disorders. J Spinal Disord, 5(2), 227-31. PMID: 1376629.

Chang, H., Gilbertson, L. G., Goel, V. K., Winterbottom, J. M., Clark, C. R. & Patwardhan, A. (1992). Dynamic Response of the Occipito Atlanto Axial (C0 C1 C2) Complex in Right Axial Rotation. J. Ortho. Res, 10(3), 446-53. PMID: 1569507.

Ehara, S., El-Khoury, G. Y. & Clark, C. R. (1992). Radiologic Evaluation of Dens Fractures: Role of Plain Radiography and Tomography. Spine, 17(5), 475-9. PMID: 1621144.

Lee, S. S., Nassif, J. M., Harris, K., Goel, V. K., Clark, C. R. & Meincke-Reza, J. (1992). Accuracy Assessment of Simultaneous Roetgen Stereophotogrammetry Using Metallic Markers in the Analysis of Three Dimensional Motion of the Cervical Spine. (Vols. 16). pp. 813. Ortho. Trans.

Clark, C. R. (1992). Rheumatoid Arthritis: Surgical Considerations. In Rothman , Simeone , Rothman , Simeone (Eds.) Spine, Ed. 3. pp. 1429-1446. W.B. Saunders.

Fehrle, M. J., Callaghan, J. J., Clark, C. R. & Petersen, K. (1992). Uncemented Total Hip Arthroplasty in Patients with Aseptic Necrosis of the Femoral Head and Previous Bone Grafting. (Vols. 16). pp. 328. Orthopaedics Trans. DOI: 10.1016/S0883-5403(06)80101-4.

Clark, C. R., MacFarlane, D. E. & Kisker, M. A. (1992). Venous Prophylaxis with Enoxaparin in Total Hip Arthroplasty: A Preliminary Report. (Vols. 16). pp. 359. Orthop. Trans.

Dai, K. R., Liu, Y. K., Park, J. B., Clark, C. R. & et al (1991). Bone Particle Impregnated Bone Cement: An In Vivo Weight Bearing Study. J Biomed Mater Res, 25(2), 141-56. PMID: 2055912.

Clark, C. R. (1991). Cervical Myeloradiculopathy: Klippel Feil Deformity. Clinical Opinion (J. Spinal Disorders), 3, 444.

Clark, C. R. (1991). Degenerative Conditions of the Spine: Differential Diagnosis and Non surgical Treatment. In J. Frymoyer , J. Frymoyer (Eds.) The Adult Spine. pp. 1145-1164. Raven Press.

Clark, C. R. (1991). Dens Fractures. Seminars in Spine Surgery, 3, 39-46.

Clark, C. R. (1991). Discussion on Traumatic Quadriplegia with Dislocation and Central Disc Herniation - Clinical Opinion. J. Spinal Disorders, 4, 492-497.

(1991). J. Bone and Joint Surgery, 73A, 797.

Petty, W., Petty, W. (Eds.) (1991). Total Joint Replacement. J. Bone and Joint Surgery, 73A, 1278. DOI: 10.2106/00004623-199173080-00027.

Samani, J., Clark, C. R. (1990). Cervical Fractures in Ankylosing(This article received the Henry Albert Scientific Presentation Award). Iowa Medical Journal, 80(10), 475-9. PMID: 2262303.

Bernhardt, M., Clark, C. R. (1990). New Treatment Alternatives for Cervical Disc Disease. Perspectives in Orthopaedic Surgery, 1, 111-118.

Clark, C. R., Betz, R. R., Einhorn, T. A., Garrett, W. & et al (1990). Report of the 1989 ABC Traveling Fellows. Journal of Bone and Joint Surgery, 72A, 145-150.

Smidt, W. R., Clark, C. R. & Smidt, G. L. (1990). Short Term Strength and Pain Changes in Total Hip Arthroplasty Patients. Journal of Orthopaedic and Sports Physical Therapy, 12(1), 16-23. PMID: 18796887.

Evarts, C. M., Evarts, C. M. (Eds.) (1990). Surgery of the Musculoskeletal System. Ed 2, Churchill Livingstone, New York. J. Bone and Joint Surgery, 72A, 1438.

Clark, C. R. (1990). Cervical Spine Trauma. (Vols. 3). pp. 328-329. J. Korean Soc of Fractures.

Clark, C. R. (1990). Cervical Spine: Pediatric and Reconstructive. In Orthopaedic Knowledge Update III. American Academy of Orthopaedic Surgeons, Park Ridge.

Newhouse, K. E., Lindsey, R. W., Clark, C. R., Lieponis, J. & Murphy, M. J. (1989). Esophageal Perforation Following Anterior Cervical Spine Surgery. Spine, 14(10), 1051-3. PMID: 2588052.

Schulte, K., Clark, C. R. & Goel, V. K. (1989). Kinematics of the Cervical Spine Following Discectomy and Fusion. Spine, 14(10), 1116-21. PMID: 2588062.

Clark, C. R. (1989). Occipitocervical fusion for the unstable rheumatoid neck. Orthopedics, 12(3), 469-73. PMID: 2710709.

McLain, R. F., Clark, C. R. & El-Khoury, G. Y. (1989). C6-C7 Dislocation in a neurologically intact neonate. Spine, 14(1), 125-7. PMID: 2913660.

Liu, Y. K., Dai, K. R., Park, J. B., Cheng, C. K., Clark, C. R., Gao, Y. L. & Hong, H. Z. (1989). Bone Particle Impregnated Bone Cement: An In Vivo Weight Bearing Study. (Vols. 35). pp. 335. Trans. Ortho. Res. Soc.

Menezes, A. H., Clark, C. R. (1989). Cranial Settling: Odontoid Upward Migration in Rheumatoid Arthritis: Management and Long Term Results. (Vols. 70). (2), pp. 319. Neurosurg.

Nelson, L., Clark, C. R. (1989). Efficacy of Phemister bone Grafting in Non Traumatic Aseptic Necrosis of the Femoral Head. (Vols. 13). pp. 519. Orthop. Trans.

Lindsey, R. W., Newhouse, K. E. & Clark, C. R. (1989). Esophageal Perforation After Cervical Spine Surgery. (Vols. 13). pp. 211-212. Orthop. Trans.

Goel, V. K., Clark, C. R., Harris, K., Kim, Y. E. & Schulte, K. R. (1989). Evaluation of Effectiveness of a Facet Wiring Technique: An In Vitro Biomechanical Investigation. Annals of Biomedical Engineering, 17(2), 115-26. PMID: 2729680.

Anderson, L., Clark, C. R. (1989). Fractures of the Odontoid Process of the Axis. In H. Sherk , E. Dunn , H. Sherk , E. Dunn (Eds.) Cervical Spine, 2nd Ed. J.B. Lippincott, Philadelphia.

Clark, C. R. (1989). Indications and Surgical Management of Cervical Myelopathy. Seminars in Spine Surgery, 1, 254-261.

Clark, C. R. (1989). Indications for the Use of Methylmethacrylate in Stabilizing the Cervical Spine. Point/Counterpoint - Orthopaedics, 12, 589-596.

Schulte, K., Clark, C. R. & Goel, V. K. (1989). Kinematics of the Cervical Spine Following Discectomy and Stabilization. (Vols. 13). pp. 203-204. Orthop. Trans.

Clark, C. R., Igram, C., El-Khoury, G. Y. & Ehara, J. (1989). Radiographic Evaluation of Cervical Spine Injuries. In Louis , Weidner , Louis & Weidner (Eds.) Cervical Spine II. Springer Verlag, Wein - New York.

Goetz, D. D., Clark, C. R. (1989). Rheumatoid Involvement of the Cervical Spine. Seminars in Orthopaedics, 4, 147-159.

Ghoneim, M. M., Hinrichs, J. V., O'Hara, M. W., Mehta, M. P., Pathak, D., Kumor, V. & Clark, C. R. (1988). Comparison of Psychologic Cognitive Functions after General or Regional Anesthesia. Anesthesiology, 69(4), 507-515. PMID: 3177911.

Clark, C. R. (1988). Cervical Spondylotic Myelopathy: History and Physical Findings. Spine, 13(7), 847-849. PMID: 3194794.

Clark, C. R., Igram, C. M., El-Khoury, G. Y. & Ehara, S. (1988). Radiographic Evaluation of Cervical Spine Injuries. Spine, 13(7), 742-7. PMID: 3194781.

Clark, C. R. (1988). Diagnosis and Treatment of the Rheumatoid Cervical Spine. IM - Int. Medicine Spec, 9, 67-74.

Goel, V. K., Clark, C. R. & Harris, K. (1988). Kinematic of the Cervical Spine. Effects of Multiple Laminectomies and Facet Wiring. Journal of Orthopaedic Research, 6(4), 611-9. PMID: 3379514.

Goel, V. K., Clark, C. R., Galles, K. & Liu, Y. K. (1988). Moment-Rotation Relationship of the Ligamentous Occipito Atlanto Axial Complex. Journal of Biomechanics, 21(8), 673-680. PMID: 3170621.

Ehara, S., El-Khoury, G., Igram, C. & Clark, C. R. (1988). Radiographic Evaluation of Cervical Spine Injuries. (Vols. 12). pp. 57-58. Orthop. Trans.

Clark, C. R., Goetz, D. D. (1988). Stabilization of the Rheumatoid Cervical Spine. (Vols. 12). pp. 585. Orthop. Trans.

Clark, C. R. (1988). Total Hip & Knee Replacement in the Rheumatoid Patient. Phy. Clin. Fin. World, 1-5.

Clark, C. R. (1987). Management of Spine Trauma and Deformity: An Orthopaedic Perspective. Paraplegia, 25(3), 258-261. PMID: 3601437.

Goel, V. K., Nye, T. A., Clark, C. R., Nishiyama, K. & Weinstein, J. N. (1987). A Technique to Evaluate an Internal Spinal Device Using the Selspot System An Application to Luque Closed Loop. Spine, 12(2), 150-159. PMID: 3589806.

Clark, C. R., El-Khoury, G. Y. (1987). Atlanto Axial Rotatory Dislocation. Orthopaedic Consultation, 8, 7-12.

Clark, C. R., Goetz, D. & Menezes, A. H. (1987). Cervical Spine Fusions in Rheumatoid Arthritis. (Vols. 11). pp. 473. Orthop. Trans.

Evans, R., Miller, B. & Clark, C. R. (1987). Continuous Passive Motion in Patients Undergoing Total Knee Replacements. (Vols. 11). pp. 40. Orthop. Trans.

Clark, C. R., White, A. A. (1987). Dens Fractures - A Multicenter Study. In Kehr , Weidner , Kehr , Weidner (Eds.) Cervical Spine I. Springer Verlag, Wein - New York.

Schulte, K., Clark, C. R. & Goel, V. K. (1987). Kinematics of the Cervical Spine Following Discectomy and Stabilization. pp. 36. Iowa Student Medical Research Day.

Clark, C. R., Goel, V. K. & Harris, K. G. (1987). Kinematics of the Cervical Spine Following Laminectomy and Facet Wiring. Iowa Ortho Journal, 7, 91-97.

Clark, C. R., Goel, V. K., Galles, K. & Liu, Y. K. (1987). Kinematics of the Occipito-Atlanto-Axial Complex. (Vols. 11). pp. 4. Orthop. Trans.

Clark, C. R. (1987). Surgical Treatment of Bone Destruction in the Cervical Spine. In S. P. Hughes , S. P. Hughes (Eds.) Seminars in Orthopaedics. Grune & Stratton, Orlando.

Clark, C. R., Wessels, W. E. (1987). Unilateral Cervical Facet Subluxation/Dislocation. Iowa Ortho Journal, 7, 22-27.

Clark, C. R., Kathol, M. H., Walsh, T. & El Khoury, G. Y. (1986). Atlantoaxial Rotatory Fixation with Compensatory Counter Occipitoatlantal Subluxation. Spine, 11(10), 1048-1050. PMID: 3576344.

El Khoury, G. Y., Clark, C. R., Dietz, F. R., Hare, R. G., Tozzi, J. E. & Kathol, M. H. (1986). Posterior Atlanto occipital Subluxation in Down's Syndrome. Radiology, 159(2), 507-509. PMID: 2938213.

Goel, V. K., Clark, C. R. & Harris, K. G. (1986). Effect of Multiple Total Laminectomies and Facet Wiring in Biomedical Engineering V: Recent Development. In S. Saha , S. Saha (Eds.) Biomechanics of the Cervical Spine. pp. 506-514. Pergamon Press.

Clark, C. R., Goel, V. K. & Harris, K. (1986). Kinematics of the Cervical Spine Following Laminectomy and Facet Wiring. (Vols. 11). pp. 4. Orthop. Trans.

Goel, V. K., Nishiyama, K., Clark, C. R., Weinstein, J. & Liu, Y. K. (1986). Partial or Total Discectomy Biomechanical Implications. (Vols. 32). pp. 455. Trans. Ortho. Res. Soc.

Goel, V. K., Nishiyama, K., Clark, C. R., Weinstein, J. N. & Liu, Y. K. (1986). Partial or Total Discectomy Biomechanical Implications. (Vols. 10). pp. 411. Orthop. Trans.

Goel, V. K., Liu, Y. K. & Clark, C. R. (1986). Quantitative Geometry of the Muscular Origins and Insertions of the Human Head and Neck. In Sances , Thomas & Larson , Ewing , Unterharnscheidt , Sances , Thomas , Larson , Ewing , Unterharnscheidt (Eds.) Mechanisms of Head and Spine Surgery. Garland Press.

Liu, Y. K., Clark, C. R. & Krieger, K. W. (1986). Quantitative Geometry of Young Human Male Cervical Vertebrae. In Sances , Thomas & Larson , Ewing , Unterharnscheidt , Sances , Thomas , Larson , Ewing , Unterharnscheidt (Eds.) Mechanisms of Head and Spine Surgery. Garland Press.

Clark, C. R., Wessels, W. (1986). Unilateral Cervical Facet Fracture Dislocations. (Vols. 10). pp. 454. Orthopaedic Transactions.

El Khoury, G. Y., Tozzi, J. T., Clark, C. R., Foucar, C. G., Blair, W. F., Menezes, A. H., Malvitz, T. A., Strottman, M. P. & Smoker, W. (1985). Massive Calcium Pyrophosphate Crystal Deposition at the Craniovertebral Junction. American Journal of Radiology, 145(4), 777-8. PMID: 2994449.

Menezes, A. H., Van Gilder, J. C., Clark, C. R. & El Khoury, G. Y. (1985). Odontoid Upward Migration In Rheumatoid Arthritis. An Analysis of 45 Patients with "Cranial Settling". J. of Neurosurgery, 63(4), 500-509. PMID: 4032013.

Menezes, A. H., VanGilder, J. C., Clark, C. R. & El-Khoury, G. (1985). Odontoid Upward Migration in Rheumatoid Arthritis. An Analysis of 45 Patients with "Cranial Settling". (Vols. 63). (4), pp. 500-9. J Neurosurg. PMID: 4032013.

Panjabi, M. M., Goel, V. K., Clark, C. R., Keggi, K. J. & Southwick, W. O. (1985). Biomechanical Study of Cervical Spine Stabilization with Methylmethacrylate. Spine, 10(3), 198-203. PMID: 3992338.

Clark, C. R. (1985). Anterior Cervical Spine Surgery. In Current Operative Surgery. Eastbourne Baillieve Tindall/W. B. Saunders.

Fox, T. J., Clark, C. R., Fox, T. J., Clark, C. R. (Eds.) (1985). Cranial Settling. Iowa Orthopaedic Journal, 5, 75-79.

Fox, T. J., Clark, C. R. (1985). Cranial Settling. Iowa Orthopaedic Journal, 5, 75-79.

Clark, C. R., White, A. A. (1985). Dens Fractures - A Multicenter Study by the Cervical Spine Research Society. Iowa Orthopaedic Journal, 5, 43-47.

El Khoury, G. Y., Clark, C. R. & Wroble, R. R. (1985). Fixed Atlantoaxial Rotatory Deformity with Bilateral Facet Dislocation. Skeletal Radiology, 13(3), 217-220. PMID: 3158079.

Clark, C. R., White, A. A. & Cooper, P. (1985). Fracture of the Dens: A Multicenter Study. (Vols. 35). pp. 204-205. Congress of Neurolog. Surg.

Clark, C. R., White, A. A. (1985). Fractures of the Dens: A Multi Center Study. (Vols. 9). pp. 469. Orthop. Trans.

Goel, V. K., Goyal, S., Clark, C. R., Nishiyama, K. & Nye, T. (1985). Kinematics of the Whole Lumbar Spine. Effect of Discectomy. Spine, 10(6), 543-554. PMID: 4081869.

Clark, C. R., Keggi, K. J. & Panjabi, M. M. (1985). Methylmethacrylate Stabilization of the Cervical Spine. Year Book of Neurology and Neurosurgery, Times Mirror, Chicago.

Goel, V. K., Liu, Y. K., Clark, C. R., Alexander, E. J. & Chandra, S. (1985). Muscles of the Cervical Spine – A Biomechanical Approach. (Vols. 9). pp. 132. Orthop. Trans.

Liu, Y. K., Clark, C. R., Nishiyama, K., Hart, R. & Park, J. B. (1985). n Vivo Evaluation of Bone Particle Impregnated Bone Cement. (Vols. 10). Trans. Ortho. Res. Soc.

Clark, C. R., Ranawat, C. S. (1985). Posterior Cervical (C1-C2) Fusion for Atlantoaxial Subluxations in Rheumatoid Arthritis. Strategies in Orthopaedic Surgery, 4, 1-16.

Goel, V. K., Clark, C. R., McGowen, D. P. & Goyal, S. (1984). An In Vitro Study of the Normal, Injured and Stabilized Cervical Spine. J. Biomechanics, 17(5), 363-376. PMID: 6736071.

Menezes, A. H., VanGilder, J. C., Clark, C. R., Menezes, A. H., VanGilder, J. C., Clark, C. R. (Eds.) (1984). Cranial Settling in Rheumatoid Arthritis. Amer Assoc Neuro Surg Scientific Manuscript, 74-75.

Clark, C. R., Fox, T. J. & El-Khoury, G. Y. (1984). Cranial Settling in Rheumatoid Arthritis. (Vols. 96). pp. 216. Iowa Academy of Science.

Clark, C. R., El-Khoury, G., Menezes, A. & Fox, T. (1984). Cranial Settling: Diagnosis and Management. (Vols. 8). pp. 386. Orthopaedic Transactions.

Dietz, F., Ponseti, I. V., Weinstein, S. & Clark, C. R. (1984). Guidelines for Obtaining Cervical Spine X-rays in Down’s Syndrome. Illinois Council for Exceptional Children Quarterly, 33, 15-16.

Liu, Y. K., Clark, C. R., Nishiyama, K., Hart, R. & Park, J. B. (1984). In Vivo Evaluation of Bone Particle Impregnated Bone Cement A Preliminary Report. (Vols. 8). Proceedings Symposium on Frontiers in Applied Mechanics and Biomech.

Clark, C. R., Goel, V. K. & McGowan, D. P. (1984). Kinematics of the Normal, Injured and Stabilized Cervical Spine. (Vols. 8). pp. 186-187. Orthopaedic Transactions.

Goel, V. K., Clark, C. R. & McGowan, D. P. (1984). Kinematics of the Normal, Injured and Stabilized Cervical Spine. (Vols. 9). pp. 207. Trans. Ortho. Res. Soc.

Goel, V. K., Clark, C. R., McGowan, D. P., Goel, V. K., Clark, C. R., McGowan, D. P. (Eds.) (1984). Kinematics of the Normal, Injured and Stabilized Cervical Spine. (Vols. 9). pp. 207. Trans. Ortho. Res. Soc..

Clark, C. R. (1984). The Cervical Spine in Rheumatoid Arthritis. A Primer for the Practitioner. J Iowa Medical Society, 74, 57-62.

El Khoury, G. Y., Clark, C. R. & Gravett, A. W. (1984). Traumatic Rotary Atlantoaxial Dislocation with Fixation. J. Bone and Joint Surg, 66A, 774-777.

Clark, C. R., Keggi, K. J. & Panjabi, M. M. (1984). Methylmethacrylate Stabilization of the Cervical Spine. J. Bone and Joint Surg, 66A, 40-46. PMID: 6690443.

Clark, C. R., El-Khoury, G. & Furst, D. (1983). Cranial Settling in Rheumatoid Arthritis. Trans. Amer. Rheum. Assn.

Clark, C. R., El-Khoury, G. Y. & Furst, D. (1983). Cranial Settling in Rheumatoid Arthritis. Clinical Research.

Clark, C. R., Ogden, J. A. (1983). Development of the Human Knee Joint Menisci: Morphological Changes and their Potential Role in Childhood Meniscal Injury. J Bone Joint Surg Am, 65(4), 538-47. PMID: 6833331.

Clark, C. R., Njus, G. D., Vaningen, C., VanVoorhis, B. J., Clark, C. R., Njus, G. D., Vaningen, C., VanVoorhis, B. J. (Eds.) (1983). Biomechanical Efficacy of Greater Trochanter Fixation. Iowa Orthopaedic Journal, 3, 76-82.

Clark, C. R., El-Khoury, G. Y. & Menezes, A. H. (1983). Cranial Settling in Rheumatoid Arthritis. (Vols. 7). pp. 122. Orthopaedic Transactions.

Clark, C. R., Njus, G., VanVoorhis, B. J. & VanIngen, C. (1983). Efficacy of Greater Trochanteric Osteotomy Fixation. (Vols. 3). pp. 312. Trans of the Ortho. Research Society.

McGowan, D. P., Clark, C. R. & Goel, V. K. (1983). Investigation of Cervical Spine Stability. pp. 28. Trans. Iowa Student Medical Research Day.

Brand, R. A., Crowninshield, R. D., Wittstock, C. E., Pedersen, D. R., Clark, C. R. & VanKrieken, F. M. (1982). A Model of Lower Extremity Muscular Anatomy. J. Biomechanical Engineering, 104(4), 304-310. PMID: 7154650.

Clark, C. R., Njus, G. D., VanIngen, C. & VanVoorhis, B. J. (1982). Biomechanical Efficacy of Greater Trochanteric Fixation. Iowa Orthopaedic Journal, 3, 76-82.

VanVoorhis, V. S., Clark, C. R. (1982). Biomechanical Efficacy of Greater Trochanteric Fixation. Trans. Iowa Medical Student Research Day.

Clark, C. R., Ogden, J. A., Clark, C. R., Ogden, J. A. (Eds.) (1982). Development of the Human Knee Joint Menisci. Iowa Orthopaedic Journal, 1, 20-27.

Clark, C. R. (1982). The Cervical Spine in Rheumatoid Arthritis. Iowa Orthopaedic Journal, 2, 28-32.

Clark, C. R., Ogden, J. A. (1981). Development of the Human Knee Joint Menisci. (Vols. 6). pp. 225. Ortho. Research Society.

Clark, C. R., Keggi, K. J. (1981). Long-term Followup Cervical Spine Stabilization with Adjunctive Methylmethacrylate. (Vols. 5). pp. 407. Orthopaedic Transactions.

Clark, C. R., Ozonoff, M. B. & Drennan, J. D. (1981). Osteoid Osteoma of the Femoral Neck with Localized Synovitis. Skeletal Radiology, 6, 286-289. DOI: 10.1007/BF00347205.

Clark, C. R., Ogden, J. A. (1981). Prenatal and Postnatal Development of the Human Knee Joint Menisci. Iowa Orthopaedic Journal, 1, 20-27.

Panjabi, M. M., Goel, V. K., Clark, C. R., Keggi, K. J. & Southwick, W. O. (1981). Spine Fixation Using PMMA: A Biomechanical Investigation. American Society of Biomechanics Proc.

Clark, C. R. (1980). Anatomical Aspects of Slipped Capital Femoral Epiphysis and Correction by Biplane Osteotomy. Instructional Course Lectures, American Academy of Orthopaedic Surgeons - C.V. Mosby, CO., St. Louis, 29, 90-100.

Murphy, M. J., Clark, C. R. & Southwick, W. O. (1980). Anterior Cervical Vertebrectomy and fusion for Compromise of the Neural Canal. (Vols. 4). (1), pp. 377. Orthopaedic Transactions.

Clark, C. R., Ogden, J. A. (1980). Pre- and Postnatal Development of the Human Menisci. (Vols. 4). pp. 377. Orthopaedic Transactions.

Clark, C. R., Keggi, K. J. (1980). Stabilization of Cervical Spine with Methylmethacrylate. (Vols. 4). (1), pp. 41. Orthopaedic Transactions.

Clark, C. R., Lee, K. E., Ogden, J. A. & McIntosh, L. S. (1978). Immune Deficiency Thrombocytopenia and Osteomyelitis in Pediatric Patients. Yale Journal of Biology and Medicine, 51(4), 435-40. PMID: 751324.

Holt, J., Miller, B., Callaghan, J. J., Clark, C. R., Willenborg, M., Noiseux, N., Holt, J., Miller, B., Callaghan, J. J., Clark, C. R., Willenborg, M., Noiseux, N. (Eds.) Eliminating blood transfusion in primary total knee arthroplasty: An achievable goal? (Poster Exhibit accepted at the Mid-America Orthopaedic Association Annual Meeting, Hilton Head, SC, April 22-26, 2015.).