title: A new beta-adrenergic blocking agent in cardiac arrhythmias.
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000188:drug therapy; D008297:Male; D008875:Middle Aged; D010869:Pindolol / Q000627:therapeutic use*; D010919:Placebos; D011433:Propranolol / Q000009:adverse effects / Q000627:therapeutic use
chemical_list: D010919:Placebos; D011433:Propranolol; D010869:Pindolol