Rethlefsen, S Outcome of hamstring lengthening and distal rectus femoris transfer surgery. [electronic resource] - Journal of pediatric orthopedics. Part B Apr 1999 - 75-9 p. digital Publication Type: Journal Article ISSN: 1060-152X Subjects--Topical Terms: AdolescentAdultCerebral Palsy--complicationsChildContracture--etiologyCrutchesGaitHumansMuscle, Skeletal--transplantationRange of Motion, ArticularRetrospective StudiesThighTreatment OutcomeWalkers