title: [Clinical picture of rheumatoid arthritis in young children. Report II. Extra-articular symptoms].
mesh_terms: D001171:Arthritis, Juvenile / Q000175:diagnosis*; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005076:Exanthema / Q000175:diagnosis; D005260:Female; D005334:Fever / Q000175:diagnosis; D006801:Humans; D007223:Infant; D008206:Lymphatic Diseases / Q000175:diagnosis; D008297:Male; D013163:Splenomegaly / Q000175:diagnosis
vernacular_title: Obraz kliniczny reumatoidalnego zapalenia stawów u małych dzieci. Doniesienie II--Objawy pozastawowe.