title: Clinical observations on juvenile rheumatoid arthritis.
mesh_terms: D000293:Adolescent; D001171:Arthritis, Juvenile / Q000145:classification / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007723:Korea; D008297:Male