title: Letter: Propranolol treatment of VPB's.
mesh_terms: D000328:Adult; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011433:Propranolol / Q000627:therapeutic use*; D014693:Ventricular Fibrillation / Q000188:drug therapy*
chemical_list: D011433:Propranolol