title: Clinical observations on the use of propranolol in disorders of cardiac rhythm.
mesh_terms: D001281:Atrial Fibrillation / Q000188:drug therapy*; D005117:Cardiac Complexes, Premature / Q000188:drug therapy*; D004071:Digitalis Glycosides / Q000627:therapeutic use; D004357:Drug Synergism; D004562:Electrocardiography; D004983:Ethanolamines / Q000627:therapeutic use*; D006801:Humans; D011433:Propranolol / Q000627:therapeutic use*; D013610:Tachycardia / Q000188:drug therapy*
chemical_list: D004071:Digitalis Glycosides; D004983:Ethanolamines; D011433:Propranolol