Age-related rheumatoid factors. Incidence and characteristics.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000097:blood; D005260:Female; D006801:Humans; D007841:Latex Fixation Tests; D008297:Male; D008875:Middle Aged; D012216:Rheumatic Diseases / Q000097:blood; D012217:Rheumatoid Factor / Q000097:blood*; D012698:Serologic Tests
D012217:Rheumatoid Factor