title: A review of early intervention studies with beta blockers in patients with myocardial infarction.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage / Q000627:therapeutic use*; D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000188:drug therapy* / Q000401:mortality; D013997:Time Factors
chemical_list: D000319:Adrenergic beta-Antagonists