We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEffects of external qigong therapy on osteoarthritis of the knee. A randomized controlled trial.AuthorsChen KW; Perlman A; Liao JG; Lam A; Staller J; Sigal LHPublicationClinical rheumatology, 2008, Vol 27, Issue 12, p1497ISSN1434-9949Publication typearticleDOI10.1007/s10067-008-0955-4