From the Department of Orthopaedic Surgery (F.H.S.), University of Virginia, Charlottesville, Virginia; the Division of Health Sciences (D.S.), University of Oxford, Oxford, England; and the Graduate Division (D.S.), Harvard University, Cambridge, Massachusetts. Submitted for publication September 30, 2005. Accepted for publication January 3, 2006. Address for reprints: Francis H. Shen, MD, Department of Orthopaedic Surgery, University of Virginia, PO Box 800159, Charlottesville, VA 22908-0159; email: [email protected].
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