title: Beta-blocker prophylaxis after myocardial infarction.
mesh_terms: D000375:Aging; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D009203:Myocardial Infarction / Q000517:prevention & control*; D010919:Placebos; D011412:Propanolamines / Q000627:therapeutic use*; D011433:Propranolol / Q000627:therapeutic use*; D013999:Timolol / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D011412:Propanolamines; D013999:Timolol; D011433:Propranolol