title: Letter: Reduction of sudden Deaths after myocardial infarction.
mesh_terms: D000368:Aged; D000526:Alprenolol / Q000008:administration & dosage / Q000627:therapeutic use*; D003645:Death, Sudden; D005500:Follow-Up Studies; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy / Q000401:mortality*; D012008:Recurrence
chemical_list: D000526:Alprenolol