RT Journal Article SR Electronic T1 Campbell’s Operative Orthopaedics ed. by A. H. Crenshaw JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 318 OP 318 VO 56 IS 3 A1 Bell, Gordon R. YR 1989 UL http://www.ccjm.org/content/56/3/318.1.abstract AB