Hip involvement in juvenile chronic polyarthritis.
D001171:Arthritis, Juvenile / Q000000981:diagnostic imaging*; D001848:Bone Diseases, Developmental / Q000209:etiology; D002648:Child; D005260:Female; D005500:Follow-Up Studies; D006615:Hip / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D011859:Radiography