Rheumatoid arthritis in the aged.
D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications / Q000175:diagnosis; D001799:Blood Sedimentation; D002349:Carpal Tunnel Syndrome / Q000150:complications; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007841:Latex Fixation Tests; D008297:Male; D008875:Middle Aged; D011111:Polymyalgia Rheumatica / Q000175:diagnosis; D011565:Psoriasis / Q000150:complications; D012019:Reflex Sympathetic Dystrophy / Q000175:diagnosis; D012217:Rheumatoid Factor; D012785:Shoulder Joint; D012859:Sjogren's Syndrome / Q000150:complications
D012217:Rheumatoid Factor