Arthritis Care & Research · 2010 · 65 citations · 38 references
After 2 years of followup, large between-subject variation was observed in the course of activity limitations. The course of activity limitations is to some extent already predictable at an early stage of knee and hip OA.
38
Choice Reviews Online · 1990 · 35.6K citations
The MOS 36-ltem Short-Form Health Survey (SF-36)
John E. Ware, Cathy D. Sherbourne · Medical Care · 1992 · 29.1K citations
Radiological Assessment of Osteo-Arthrosis
Jan Kellgren, J. S. Lawrence · Annals of the Rheumatic Diseases · 1957 · 12.2K citations · Full text