Rheumatoid arthritis. An analysis of 250 cases from a tropical country.
D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007841:Latex Fixation Tests; D008297:Male; D008875:Middle Aged; D014329:Tropical Climate