title: Retraction Note: Clinical effectiveness of continuous passive motion (CPM) following femoroacetabular impingement surgery in adolescents.
authors.affiliation: Rady Children's Hospital and Health Center, 3030 Children's Way, Suite 410, San Diego, CA 92123 USA.
authors.forename: F
authors.initials: F
authors.lastname: Hefti
authors.forename: S
authors.initials: S
authors.lastname: Wientroub