Trials · 2019 · 12 citations · 9 references
9
Measurement of patient outcome in arthritis
James F. Fries, Patricia W. Spitz, R. Guy Kraines et al. · Arthritis & Rheumatism · 1980 · 4.3K citations
Wilbert B. van den Hout · Annals of the Rheumatic Diseases · 2003 · 132 citations · Full text