2Stratford PW,Kennedy DM.Does parallel item content on WOMAC's pain and function subscales limit its ability to detectchange in functional status.BMC Musculoskeletal Disorders,2004,5:17.
3Roos E M,Klassbo M,Lohmander L S.WOMAC osteoarthritis index.Reliability,validity,and respoinsiveness in patiens with arthroscopically assessed osteoarthritis.Scand J Rheumatol,1999,28(4):210.
