Department of Orthopaedics, The Children's Hospital Medical Center, Boston, Massachusetts.
*Chief, Pediatric Orthopedics, Department of Orthopedics, Long Island Jewish-Hillside Medical Center, 270–05 76th Avenue, New Hyde Park, New York 11042. Assistant Professor of Orthopaedics, State University of New York at Stoney Brook.
**Associate Professor, Harvard Medical School, Associate Senior Surgeon, Children's Hospital Medical Center, 300 Longwood Avenue, Boston, Mass. 02115.
†Professor of Orthopedic Surgery, Harvard Medical School, The Children's Hospital Medical Center.
Reprint requests to Hormozan Aprin, M.D., 270–05 76th Avenue, New Hyde Park, N.Y. 11042.
Received: December 9, 1980.