Animated Activity Questionnaire (AAQ), a new method of self‐reporting activity limitations in patients with hip and knee osteoarthritis: Comparisons with observation by spouses for construct validity
W.F. Peter; H.S. Dagfinrud; N. Østerås; C.B. Terwee
Author Information: Department of Epidemiology and Biostatistics and the EMGO Institute for Health and Care research
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