Changes in rheumatoid factor activity during the course of sarcoidosis.
D000293:Adolescent; D000328:Adult; D001172:Arthritis, Rheumatoid / Q000276:immunology; D006386:Hemagglutination Tests; D006801:Humans; D007841:Latex Fixation Tests; D008875:Middle Aged; D012217:Rheumatoid Factor; D012507:Sarcoidosis / Q000276:immunology* / Q000473:pathology; D012737:Sex Factors
D012217:Rheumatoid Factor