title: ACL injuries: unanswered questions--are there any solutions?
authors.forename: Jon
authors.initials: J
authors.lastname: Karlsson
mesh_terms: D016118:Anterior Cruciate Ligament / Q000601:surgery*; D000070598:Anterior Cruciate Ligament Injuries; D001182:Arthroscopy; D001265:Athletic Injuries / Q000517:prevention & control; D001696:Biomechanical Phenomena; D006801:Humans; D007719:Knee Joint / Q000502:physiology