1. Validation study of WOMAC: a health status instrument for measuring clinically important patient relevant outcomes to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee.;Bellamy;J Rheumatol,1988
2. Validation study of WOMAC: a health status instrument for measuring clinically important patient relevant outcomes following total hip or knee arthroplasty in osteoarthritis.;Bellamy;J Orthop Rheumatol,1988
3. Gronbachs alpha.;Bland;BMJ,1997
4. Generic and condition-specific outcome measures for people with osteoarthritis of the knee.;Brazier;Rheumatology (Oxford),1999
5. Determinants of pain severity in knee osteoarthritis: effect of demographic and psychosocial variables using 3 pain measures.;Creamer;J Rheumatol,1999