Juvenile rheumatoid arthritis.
D000293:Adolescent; D000367:Age Factors; D001171:Arthritis, Juvenile / Q000097:blood / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000453:epidemiology; D001241:Aspirin / Q000627:therapeutic use; D002648:Child; D002675:Child, Preschool; D006801:Humans; D011859:Radiography
D001241:Aspirin