Key points are not available for this paper at this time.
*Professor of Clinical Orthopaedic Surgery, Columbia University and Attending Orthopaedic Surgeon, New York Orthopaedic-Columbia-Presbyterian Medical Center, New York, New York. Reprint requests to Charles S. Neer, II, M.D., 161 Fort Washington Avenue, New York, NY 10032. Received August 18, 1982.
Charles S. Neer (Tue,) studied this question.