Arthritis survey in the Transkei and Ciskei.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology*; D044383:Black People; D001799:Blood Sedimentation; D002648:Child; D005260:Female; D006801:Humans; D007841:Latex Fixation Tests; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013019:South Africa