A prognostic study of juvenile rheumatoid arthritis. Analysis of 544 cases.
D000293:Adolescent; D000328:Adult; D001171:Arthritis, Juvenile / Q000175:diagnosis* / Q000188:drug therapy* / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D004467:Economics; D004777:Environment; D004813:Epidemiology; D005500:Follow-Up Studies; D006801:Humans; D007841:Latex Fixation Tests; D011379:Prognosis; D011859:Radiography; D012217:Rheumatoid Factor; D012698:Serologic Tests; D012961:Sociology
D012217:Rheumatoid Factor