title: Repeatability and objectivity of various measurements in rheumatoid arthritis. A comparative study.
mesh_terms: D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis* / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged