title: [Usefulness of propranolol in arrhythmia in children].
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D000367:Age Factors; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D004341:Drug Evaluation; D006801:Humans; D007275:Injections, Intravenous; D011433:Propranolol / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D011433:Propranolol
vernacular_title: Ocena przydatności propranololu stosowanego w zaburzeniach rytmu serca u dzieci.