title: [Attempted evaluation of the importance of the Rh factor in rheumatic fever in children].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006349:Heart Valve Diseases / Q000209:etiology*; D006801:Humans; D012204:Rh-Hr Blood-Group System; D012213:Rheumatic Fever / Q000453:epidemiology / Q000209:etiology*
chemical_list: D012204:Rh-Hr Blood-Group System
vernacular_title: Próba oceny znaczenia czynnika Rh w chorobie reumatycznej u dzieci.