Park Sangdo, Shatsky Joshua B, Pawel Bruce R, Wells Lawrence
Division of Pediatric Orthopaedic Surgery, The Children's Hospital of Philadelphia, Richard D. Wood Center, 2nd Floor, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104-4399, USA.
J Bone Joint Surg Am. 2007 Jun;89(6):1337-42. doi: 10.2106/JBJS.F.00979.