Letter: Long-term anticoagulant therapy after myocardial infarction.
D000208:Acute Disease; D000368:Aged; D000925:Anticoagulants / Q000008:administration & dosage / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000188:drug therapy* / Q000401:mortality; D010919:Placebos; D013997:Time Factors
D000925:Anticoagulants; D010919:Placebos