title: Letter: Beta-blockade and myocardial infarction.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy*; D011446:Prospective Studies; D012107:Research Design
chemical_list: D000319:Adrenergic beta-Antagonists