title: Early versus late start of open kinetic chain quadriceps exercises after ACL reconstruction with patellar tendon or hamstring grafts: a prospective randomized outcome study.
authors: Section of Orthopaedics and Sports Medicine, Department of Molecular Medicine and Surgery, Karolinska Institutet, 171 76, Stockholm, Sweden. annette.heijne@ki.se.
authors: Annette
authors: A
authors: Heijne
authors: Section of Orthopaedics and Sports Medicine, Department of Molecular Medicine and Surgery, Karolinska Institutet, 171 76, Stockholm, Sweden.|Capio Artro Clinic, Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden.
authors: Suzanne
authors: S
authors: Werner