title: Effect of beta-blockers on arrhythmias.
mesh_terms: D000284:Administration, Oral; D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage / Q000627:therapeutic use*; D001145:Arrhythmias, Cardiac / Q000517:prevention & control*; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy; D013997:Time Factors
chemical_list: D000319:Adrenergic beta-Antagonists