title: Very early intervention with beta-blockade in acute myocardial infarction.
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy*; D011217:Practolol / Q000627:therapeutic use*; D011379:Prognosis
chemical_list: D011217:Practolol