Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleYou can make a difference!AuthorsEngebretsen L; Engebretsen, LarsPublicationKnee Surgery, Sports Traumatology, Arthroscopy, 2009, Vol 17, Issue 5, p703ISSN0942-2056Publication typeeditorialDOI10.1007/s00167-009-0814-0