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    Lawrence Douglas Dorr, MD

    TitleProfessor of Clinical Orthopaedic Surgery
    SchoolKeck School of Medicine of USC
    DepartmentOrthopaedic Surgery
    AddressHCT 1520 San Pablo Street
    Health Sciences Campus
    Los Angeles California 90033
    Phone+1 323 442 5762
    vCardDownload vCard

      Collapse Overview 
      Collapse Overview
      Dr. Dorr is a Professor of Clinical Orthopaedic Surgery in the Department of Orthopedic Surgery at the Keck School of Medicine of USC. He is an international leader in the field of joint replacement of the hip and knee and has contributed significantly to advances in treatment options. His pioneering research has aided in the design of widely used orthopaedic implants, as well as small incisions and the use of computer navigation for total hip replacement. An international speaker and writer, Dr. Dorr has authored a book on surgical techniques and numerous journal articles. He is a founding editor of the Journal of Arthroplasty, former editor-in-chief of Techniques in Orthopaedics and serves on the editorial boards of several other prominent journals. He is a founding member and past president of the Knee Society and the American Association of Hip and Knee Surgeons and the past president of the Hip Society. He has received the Humanitarian of the Year Award from the American Academy of Orthopaedic Surgeons for founding Operation Walk, a charitable organization that provides free hip and knee replacements in the United States and abroad. Honored as one of the Best Doctors in American for the past eight years, Dr. Dorr received his medical degree from the University of Iowa Carver College of Medicine and completed his fellowship training in orthopaedics/arthritis surgery at the Hospital for Special Surgery in New York.


      Collapse Biography 
      Collapse Awards and Honors
      Operation Walk and Masters Series201620 Year Celebration as Founder
      Los Angeles Magazine2016Super Doctor
      Castle Connolly2016America's Top Doctors

      Collapse ORNG Applications 
      Collapse Websites
      Collapse In The News

      Collapse Bibliographic 
      Collapse Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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      1. Dorr L. Letter to the Editor: Editor's Spotlight/Take 5: No Benefit after THA Performed with Computer-assisted Cup Placement: 10-year Results of a Randomized Controlled Study. Clin Orthop Relat Res. 2016 Nov 17. PMID: 27858244.
        View in: PubMed
      2. Dorr L. CORR Insights(®): Does Degenerative Lumbar Spine Disease Influence Femoroacetabular Flexion in Patients Undergoing Total Hip Arthroplasty? Clin Orthop Relat Res. 2016 Aug; 474(8):1798-801. PMID: 27164960.
        View in: PubMed
      3. Dorr L. Metal-on-Metal Testing to Salvage a Device Disaster: Commentary on an article by Gulraj S. Matharu, BSc(Hons), MBChB, MRCS, MRes, et al.: "The Effectiveness of Blood Metal Ions in Identifying Patients with Unilateral Birmingham Hip Resurfacing and Corail-Pinnacle Metal-on-Metal Hip Implants at Risk of Adverse Reactions to Metal Debris". J Bone Joint Surg Am. 2016 Apr 20; 98(8):e31. PMID: 27098331.
        View in: PubMed
      4. Lombardi AV, Barrington JW, Berend KR, Berend ME, Dorr L, Hamilton W, Hurst JM, Morris MJ, Scuderi GR. Outpatient Arthroplasty is Here Now. Instr Course Lect. 2016; 65:531-46. PMID: 27049218.
        View in: PubMed
      5. Yukizawa Y, Dorr L, Ward JA, Wan Z. Posterior Mini-Incision With Primary Total Hip Arthroplasty: A Nine to Ten Year Follow Up Study. J Arthroplasty. 2016 Jan; 31(1):168-71. PMID: 26271541.
        View in: PubMed
      6. Taunton MJ, Dorr L, Long WT, Dastane MR, Berry DJ. Early Postoperative Femur Fracture After Uncemented Collarless Primary Total Hip Arthroplasty: Characterization and Results of Treatment. J Arthroplasty. 2015 Nov; 30(11):2008-11. PMID: 26077148.
        View in: PubMed
      7. Kanawade V, Dorr L, Banks SA, Zhang Z, Wan Z. Precision of robotic guided instrumentation for acetabular component positioning. J Arthroplasty. 2015 Mar; 30(3):392-7. PMID: 25453633.
        View in: PubMed
      8. Kanawade V, Dorr L, Wan Z. Predictability of Acetabular Component Angular Change with Postural Shift from Standing to Sitting Position. J Bone Joint Surg Am. 2014 Jun 18; 96(12):978-986. PMID: 24951732.
        View in: PubMed
      9. Dorr L. Reply to letter to the editor: Tourniquet use during cementation only during total knee arthroplasty: a randomized trial. Clin Orthop Relat Res. 2014 May; 472(5):1660-1. PMID: 24658898.
        View in: PubMed
      10. Tarwala R, Dorr L, Gilbert PK, Wan Z, Long WT. Tourniquet use during cementation only during total knee arthroplasty: a randomized trial. Clin Orthop Relat Res. 2014 Jan; 472(1):169-74. PMID: 23836239.
        View in: PubMed
      11. Conditt MA, Bargar WL, Cobb JP, Dorr L, Lonner JH. Current concepts in robotics for the treatment of joint disease. Adv Orthop. 2013; 2013:948360. PMID: 24455287.
        View in: PubMed
      12. Hozack WJ, Dorr L, Ranawat CS. To our dear friend, Dick Rothman. J Arthroplasty. 2012 Feb; 27(2):165-6. PMID: 22240260.
        View in: PubMed
      13. Dorr L, Jones RE, Padgett DE, Pagnano M, Ranawat AS, Trousdale RT. Robotic guidance in total hip arthroplasty: the shape of things to come. Orthopedics. 2011 Sep; 34(9):e652-5. PMID: 21902164.
        View in: PubMed
      14. Tarwala R, Dorr L. Robotic assisted total hip arthroplasty using the MAKO platform. Curr Rev Musculoskelet Med. 2011 Sep; 4(3):151-6. PMID: 21728013.
        View in: PubMed
      15. Dorr L, Ranawat CS, Rothman RH. The presumption of guilt: what degree of disclosure is appropriate? J Arthroplasty. 2011 Apr; 26(3):341. PMID: 21444014.
        View in: PubMed
      16. Dastane M, Dorr L, Tarwala R, Wan Z. Hip offset in total hip arthroplasty: quantitative measurement with navigation. Clin Orthop Relat Res. 2011 Feb; 469(2):429-36. PMID: 20844997.
        View in: PubMed
      17. Sangiorgio SN, Longjohn DB, Dorr L, Ebramzadeh E. Challenges in relating experimental hip implant fixation predictions to clinical observations. J Biomech. 2011 Jan 11; 44(2):235-43. PMID: 21040920.
        View in: PubMed
      18. Sangiorgio SN, Longjohn DB, Dorr L, Ebramzadeh E. The influence of proximal stem geometry and surface finish on the fixation of a double-tapered cemented femoral stem. J Biomech. 2011 Jan 4; 44(1):22-7. PMID: 20828697.
        View in: PubMed
      19. Dastane M, Wan Z, Deshmane P, Long WT, Dorr L. Primary hip arthroplasty with 28-mm Metasul articulation. J Arthroplasty. 2011 Jun; 26(4):662-4. PMID: 20541891.
        View in: PubMed
      20. Dorr L. Regional anesthesia improves perioperative events in patients having total hip or knee replacement. J Bone Joint Surg Am. 2010 May; 92(5):1264. PMID: 20439678.
        View in: PubMed
      21. Dorr L, Wan Z, Malik A, Zhu J, Dastane M, Deshmane P. A comparison of surgeon estimation and computed tomographic measurement of femoral component anteversion in cementless total hip arthroplasty. J Bone Joint Surg Am. 2009 Nov; 91(11):2598-604. PMID: 19884433.
        View in: PubMed
      22. Hammerberg EM, Wan Z, Dastane M, Dorr L. Wear and range of motion of different femoral head sizes. J Arthroplasty. 2010 Sep; 25(6):839-43. PMID: 19775859.
        View in: PubMed
      23. Long WT, Dastane M, Harris MJ, Wan Z, Dorr L. Failure of the Durom Metasul acetabular component. Clin Orthop Relat Res. 2010 Feb; 468(2):400-5. PMID: 19727987.
        View in: PubMed
      24. Dorr L, Deshmane P. Precision surgery. Orthopedics. 2009 Sep; 32(9). PMID: 19751022.
        View in: PubMed
      25. Zhu J, Wan Z, Dorr L. Quantification of pelvic tilt in total hip arthroplasty. Clin Orthop Relat Res. 2010 Feb; 468(2):571-5. PMID: 19714387.
        View in: PubMed
      26. Dorr L, Thomas DJ, Zhu J, Dastane M, Chao L, Long WT. Outpatient total hip arthroplasty. J Arthroplasty. 2010 Jun; 25(4):501-6. PMID: 19640672.
        View in: PubMed
      27. Malik A, Wan Z, Jaramaz B, Bowman G, Dorr L. A validation model for measurement of acetabular component position. J Arthroplasty. 2010 Aug; 25(5):812-9. PMID: 19553075.
        View in: PubMed
      28. Schaffer JL, Bozic KJ, Dorr L, Miller DA, Nepola JV. AOA symposium. Direct-to-consumer marketing in orthopaedic surgery: boon or boondoggle? J Bone Joint Surg Am. 2008 Nov; 90(11):2534-43. PMID: 18978423.
        View in: PubMed
      29. Dorr L, Malik A, Dastane M, Wan Z. Combined anteversion technique for total hip arthroplasty. Clin Orthop Relat Res. 2009 Jan; 467(1):119-27. PMID: 18979146.
        View in: PubMed
      30. Wan Z, Malik A, Jaramaz B, Chao L, Dorr L. Imaging and navigation measurement of acetabular component position in THA. Clin Orthop Relat Res. 2009 Jan; 467(1):32-42. PMID: 18979147.
        View in: PubMed
      31. Dorr L. Acetabular cup position: the imperative of getting it right. Orthopedics. 2008 Sep; 31(9):898-9. PMID: 18814605.
        View in: PubMed
      32. Malik A, Dorr L, Long WT. Impingement as a mechanism of dissociation of a metasul metal-on-metal liner. J Arthroplasty. 2009 Feb; 24(2):323.e13-6. PMID: 18562156.
        View in: PubMed
      33. Amuwa C, Dorr L. The combined anteversion technique for acetabular component anteversion. J Arthroplasty. 2008 Oct; 23(7):1068-70. PMID: 18534533.
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      34. Dorr L, Raya J, Long WT, Boutary M, Sirianni LE. Multimodal analgesia without parenteral narcotics for total knee arthroplasty. J Arthroplasty. 2008 Jun; 23(4):502-8. PMID: 18514865.
        View in: PubMed
      35. Dastane MR, Long WT, Wan Z, Chao L, Dorr L. Metal-on-metal hip arthroplasty does equally well in osteonecrosis and osteoarthritis. Clin Orthop Relat Res. 2008 May; 466(5):1148-53. PMID: 18350348.
        View in: PubMed
      36. Duwelius PJ, Dorr L. Minimally invasive total hip arthroplasty: an overview of the results. Instr Course Lect. 2008; 57:215-22. PMID: 18399582.
        View in: PubMed
      37. Ward SR, Jones RE, Long WT, Thomas DJ, Dorr L. Functional recovery of muscles after minimally invasive total hip arthroplasty. Instr Course Lect. 2008; 57:249-54. PMID: 18399587.
        View in: PubMed
      38. Wan Z, Boutary M, Dorr L. The influence of acetabular component position on wear in total hip arthroplasty. J Arthroplasty. 2008 Jan; 23(1):51-6. PMID: 18165028.
        View in: PubMed
      39. Dorr L, Gendelman V, Maheshwari AV, Boutary M, Wan Z, Long WT. Multimodal thromboprophylaxis for total hip and knee arthroplasty based on risk assessment. J Bone Joint Surg Am. 2007 Dec; 89(12):2648-57. PMID: 18056497.
        View in: PubMed
      40. Dorr L, Malik A, Wan Z, Long WT, Harris M. Precision and bias of imageless computer navigation and surgeon estimates for acetabular component position. Clin Orthop Relat Res. 2007 Dec; 465:92-9. PMID: 17693877.
        View in: PubMed
      41. Maheshwari AV, Malik A, Dorr L. Impingement of the native hip joint. J Bone Joint Surg Am. 2007 Nov; 89(11):2508-18. PMID: 17974896.
        View in: PubMed
      42. Dorr L, Chao L. The emotional state of the patient after total hip and knee arthroplasty. Clin Orthop Relat Res. 2007 Oct; 463:7-12. PMID: 17960669.
        View in: PubMed
      43. Malik A, Dorr L. The science of minimally invasive total hip arthroplasty. Clin Orthop Relat Res. 2007 Oct; 463:74-84. PMID: 17621231.
        View in: PubMed
      44. Dorr L. Minimally invasive surgery has no ugly underbelly. Orthopedics. 2007 Sep; 30(9):729, 732-3. PMID: 17899916.
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      45. Malik A, Maheshwari A, Dorr L. Impingement with total hip replacement. J Bone Joint Surg Am. 2007 Aug; 89(8):1832-42. PMID: 17671025.
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      46. Dorr L, Maheshwari AV, Long WT, Wan Z, Sirianni LE. Early pain relief and function after posterior minimally invasive and conventional total hip arthroplasty. A prospective, randomized, blinded study. J Bone Joint Surg Am. 2007 Jun; 89(6):1153-60. PMID: 17545416.
        View in: PubMed
      47. Dorr L, Thomas D, Long WT, Polatin PB, Sirianni LE. Psychologic reasons for patients preferring minimally invasive total hip arthroplasty. Clin Orthop Relat Res. 2007 May; 458:94-100. PMID: 17224839.
        View in: PubMed
      48. Maheshwari AV, Boutary M, Yun AG, Sirianni LE, Dorr L. Multimodal analgesia without routine parenteral narcotics for total hip arthroplasty. Clin Orthop Relat Res. 2006 Dec; 453:231-8. PMID: 17031312.
        View in: PubMed
      49. Wan Z, Boutary M, Dorr L. Precision and limitation of measuring two-dimensional wear on clinical radiographs. Clin Orthop Relat Res. 2006 Aug; 449:267-74. PMID: 16702911.
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      50. Lotke PA, Callaghan JJ, Dorr L, Engh GH, Hanssen AD, Healy WL, Lachiewicz PF, Lonner JH, Nelson C, Ranawat CS, Ritter MA, Salvati EA, Sculco TP, Thornhill TS. Oral direct thrombin inhibitor ximelagatran compared with warfarin for the prevention of venous thromboembolism after total knee arthroplasty. J Bone Joint Surg Am. 2006 May; 88(5):1163; author reply 1163-5. PMID: 16651602.
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      51. Dorr L, Ranawat CS, Sculco TA, McKaskill B, Orisek BS. Bone graft for tibial defects in total knee arthroplasty. 1986. Clin Orthop Relat Res. 2006 May; 446:4-9. PMID: 16672862.
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      52. Long WT, Ward SR, Dorr L, Raya J, Boutary M, Sirianni LE. Postoperative pain management following total knee arthroplasty: a randomized comparison of continuous epidural versus femoral nerve infusion. J Knee Surg. 2006 Apr; 19(2):137-43. PMID: 16642893.
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      53. Yun AG, Figgie M, Dorr L, Scott RD. Hip disease in juvenile rheumatoid arthritis. Orthopedics. 2006 Mar; 29(3):233-9; quiz 240-1. PMID: 16539201.
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      54. Shahrdar C, Campbell P, Mirra J, Dorr L. Painful metal-on-metal total hip arthroplasty. J Arthroplasty. 2006 Feb; 21(2):289-93. PMID: 16520221.
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      55. Inaba Y, Dorr L, Wan Z, Sirianni L, Boutary M. Operative and patient care techniques for posterior mini-incision total hip arthroplasty. Clin Orthop Relat Res. 2005 Dec; 441:104-14. PMID: 16330992.
        View in: PubMed
      56. Harris M, Dorr L, Wan Z, Sirianni L, Boutary M. Total hip arthroplasty with the APR stem and cup follow-up of a previous report. J Arthroplasty. 2005 Oct; 20(7):828-31. PMID: 16230231.
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      57. Yun AG, Dorr L, Long WT. Periprosthetic femoral fractures associated with contralateral hip disease. J Arthroplasty. 2005 Oct; 20(7):957-9. PMID: 16230255.
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      58. Dorr L, Wan Z, Shahrdar C, Sirianni L, Boutary M, Yun A. Clinical performance of a Durasul highly cross-linked polyethylene acetabular liner for total hip arthroplasty at five years. J Bone Joint Surg Am. 2005 Aug; 87(8):1816-21. PMID: 16085624.
        View in: PubMed
      59. Yun AG, Padgett D, Pellicci P, Dorr L. Constrained acetabular liners: mechanisms of failure. J Arthroplasty. 2005 Jun; 20(4):536-41. PMID: 16124973.
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      60. Ebramzadeh E, Billi F, Sangiorgio SN, Mattes S, Schmoelz W, Dorr L. Simulation of fretting wear at orthopaedic implant interfaces. J Biomech Eng. 2005 Jun; 127(3):357-63. PMID: 16060342.
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      61. Callaghan JJ, Dorr L, Engh GA, Hanssen AD, Healy WL, Lachiewicz PF, Lonner JH, Lotke PA, Ranawat CS, Ritter MA, Salvati EA, Sculco TP, Thornhill TS. Prophylaxis for thromboembolic disease: recommendations from the American College of Chest Physicians--are they appropriate for orthopaedic surgery? J Arthroplasty. 2005 Apr; 20(3):273-4. PMID: 15809941.
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      62. Dorr L. Comparison of primary total hip replacements performed with a standard incision or a mini-incision. J Bone Joint Surg Am. 2005 Mar; 87(3):675; author reply 675-6. PMID: 15741640.
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      63. Dorr L, Long WT. Metal-on-metal: articulations for the new millennium. Instr Course Lect. 2005; 54:177-82. PMID: 15948444.
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      64. Dorr L, Hishiki Y, Wan Z, Newton D, Yun A. Development of imageless computer navigation for acetabular component position in total hip replacement. Iowa Orthop J. 2005; 25:1-9. PMID: 16089064.
        View in: PubMed
      65. Dorr L, Long WT, Sirianni L, Campana M, Wan Z. The argument for the use of Metasul as an articulation surface in total hip replacement. Clin Orthop Relat Res. 2004 Dec; (429):80-5. PMID: 15577470.
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      66. Long WT, Dorr L, Gendelman V. An American experience with metal-on-metal total hip arthroplasties: a 7-year follow-up study. J Arthroplasty. 2004 Dec; 19(8 Suppl 3):29-34. PMID: 15578549.
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      67. Dorr L, Wan Z, Sirianni LE, Boutary M, Chandran S. Fixation and osteolysis with Metasul metal-on-metal articulation. J Arthroplasty. 2004 Dec; 19(8):951-5. PMID: 15586329.
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      68. Dorr L. The appeal of the mini-incision. Orthopedics. 2004 Sep; 27(9):937-8. PMID: 15487407.
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      69. Sangiorgio SN, Ebramzadeh E, Longjohn DB, Dorr L. Effects of dorsal flanges on fixation of a cemented total hip replacement femoral stem. J Bone Joint Surg Am. 2004 Apr; 86-A(4):813-20. PMID: 15069149.
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      70. Dorr L. The mini-incision hip: building a ship in a bottle. Orthopedics. 2004 Feb; 27(2):192, 194. PMID: 14992384.
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      71. Ebramzadeh E, Sangiorgio SN, Longjohn DB, Buhari CF, Dorr L. Initial stability of cemented femoral stems as a function of surface finish, collar, and stem size. J Bone Joint Surg Am. 2004 Jan; 86-A(1):106-15. PMID: 14711952.
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      72. Won YY, Dorr L, Wan Z. Comparison of proximal porous-coated and grit-blasted surfaces of hydroxyapatite-coated stems. J Bone Joint Surg Am. 2004 Jan; 86-A(1):124-8. PMID: 14711954.
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      73. Won YY, Dorr L, Bloebaum R, Wan Z. Assessment of bone graft substitutes in autopsy implant retrievals of the acetabulum in total hip arthroplasty. J Arthroplasty. 2004 Jan; 19(1):116-22. PMID: 14716659.
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      74. Ebramzadeh E, Sangiorgio SN, Lattuada F, Kang JS, Chiesa R, McKellop HA, Dorr L. Accuracy of measurement of polyethylene wear with use of radiographs of total hip replacements. J Bone Joint Surg Am. 2003 Dec; 85-A(12):2378-84. PMID: 14668508.
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      75. Berry DJ, Berger RA, Callaghan JJ, Dorr L, Duwelius PJ, Hartzband MA, Lieberman JR, Mears DC. Minimally invasive total hip arthroplasty. Development, early results, and a critical analysis. Presented at the Annual Meeting of the American Orthopaedic Association, Charleston, South Carolina, USA, June 14, 2003. J Bone Joint Surg Am. 2003 Nov; 85-A(11):2235-46. PMID: 14630860.
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      76. Dorr L, Mallory TH, Learmonth ID, Bierbaum BE, Engh CA. Case challenges in hip surgery: what would you do? Orthopedics. 2003 Sep; 26(9):979-80. PMID: 14503775.
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      77. Sculco TP, Argenson JN, Dorr L, Ranawat CS, Thornhill TS, Whiteside LA. Case challenges in knee surgery: what would you do? Orthopedics. 2003 Sep; 26(9):981-3. PMID: 14503776.
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      78. Kang JS, Park SR, Ebramzadeh E, Dorr L. Measurement of polyethylene wear in total hip arthroplasty--accuracy versus ease of use. Yonsei Med J. 2003 Jun 30; 44(3):473-8. PMID: 12833585.
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      79. Haft GF, Heiner AD, Dorr L, Brown TD, Callaghan JJ. A biomechanical analysis of polyethylene liner cementation into a fixed metal acetabular shell. J Bone Joint Surg Am. 2003 Jun; 85-A(6):1100-10. PMID: 12784010.
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      80. Dorr L. Self-inflicted risks of orthopaedic surgery. Clin Orthop Relat Res. 2003 Feb; (407):11-3. PMID: 12567122.
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      81. Dorr L, Sirianni L. The risk of product liability: orthopaedic surgeons can be trapped. Clin Orthop Relat Res. 2003 Feb; (407):50-3. PMID: 12567128.
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      82. Dorr L. Contrary view: wear is not an issue. Clin Orthop Relat Res. 2002 Nov; (404):96-9. PMID: 12439244.
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      83. Dorr L. Session V: Revision total knee replacement: an overview. Clin Orthop Relat Res. 2002 Nov; (404):143-4. PMID: 12439253.
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      84. Heaton K, Dorr L. Surgical release of iliopsoas tendon for groin pain after total hip arthroplasty. J Arthroplasty. 2002 Sep; 17(6):779-81. PMID: 12216034.
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      85. Dorr L. Metal-on-metal: all things bright and beautiful!--In the affirmative. Orthopedics. 2002 Sep; 25(9):931. PMID: 12269413.
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      86. Dorr L, Callaghan JJ, Whiteside LA, Engh CA, Cameron HU, Mallory TH. Case challenges in hip surgery: what would you do? Orthopedics. 2002 Sep; 25(9):983-5. PMID: 12269439.
        View in: PubMed
      87. Udomkiat P, Dorr L, Wan Z. Cementless hemispheric porous-coated sockets implanted with press-fit technique without screws: average ten-year follow-up. J Bone Joint Surg Am. 2002 Jul; 84-A(7):1195-200. PMID: 12107321.
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      88. Dorr L. Fixation of the millennium: the knee. J Arthroplasty. 2002 Jun; 17(4 Suppl 1):6-8. PMID: 12068393.
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      89. Hanssen AD, Dorr L, Kurosaka M, Maloney WJ, Romagnoli S, Ranawat CS. Case challenges in knee surgery: what would you do? J Arthroplasty. 2002 Jun; 17(4 Suppl 1):83-9. PMID: 12068413.
        View in: PubMed
      90. Haft GF, Heiner AD, Callaghan JJ, Dorr L, Wan Z, Long W, Longjohn DB, Brown TD. Polyethylene liner cementation into fixed acetabular shells. J Arthroplasty. 2002 Jun; 17(4 Suppl 1):167-70. PMID: 12068431.
        View in: PubMed
      91. Dorr L, Udomkiat P, Szenohradszky J, Chorn R, Raya J. Intraoperative monitoring for safety of bilateral total knee replacement. Clin Orthop Relat Res. 2002 Mar; (396):142-51. PMID: 11859237.
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