Chhabra Anikar, Starman James S, Ferretti Mario, Vidal Armando F, Zantop Thore, Fu Freddie H
Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, 3471 5th Avenue, Suite 1011, Pittsburgh, PA 15213, USA.
J Bone Joint Surg Am. 2006 Dec;88 Suppl 4:2-10. doi: 10.2106/JBJS.F.00616.