title: A comparative study of dextro-alprenolol, dextro-propranolol and practolol in the treatment of ventricular ectopic beats.
mesh_terms: D000083:Acetanilides / Q000627:therapeutic use; D000200:Action Potentials / Q000187:drug effects; D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D000328:Adult; D000368:Aged; D000605:Amino Alcohols / Q000627:therapeutic use*; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D009202:Cardiomyopathies / Q000188:drug therapy; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008875:Middle Aged; D011433:Propranolol / Q000627:therapeutic use*; D012214:Rheumatic Heart Disease / Q000188:drug therapy; D013565:Sympatholytics / Q000627:therapeutic use*
chemical_list: D000083:Acetanilides; D000319:Adrenergic beta-Antagonists; D000605:Amino Alcohols; D013565:Sympatholytics; D011433:Propranolol