title: Secondary prophylaxis against myocardial infarction.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D001241:Aspirin / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D006801:Humans; D009203:Myocardial Infarction / Q000517:prevention & control*
chemical_list: D000319:Adrenergic beta-Antagonists; D001241:Aspirin