title: [Diagnostic difficulties in rheumatoid arthritis in children].
mesh_terms: D000293:Adolescent; D001171:Arthritis, Juvenile / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D007223:Infant; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis; D008297:Male; D012213:Rheumatic Fever / Q000175:diagnosis; D014394:Tuberculosis, Osteoarticular / Q000175:diagnosis
vernacular_title: Trudności diagnostyczne w rozpoznawaniu reumatoidalnego zapalenia stawów u dzieci.