Annals of the Rheumatic Diseases · 1987 · 255 citations · 7 references
7
Studies with pain rating scales.
Walker Downie, P A Leatham, V M Rhind et al. · Annals of the Rheumatic Diseases · 1978 · 1.9K citations · Full text
Grading of tenderness as a source of interrater error in the Ritchie articular index.
Lois Hart, Peter Tugwell, W. Watson Buchanan et al. · PubMed · 1985 · 75 citations