title: Anticoagulant therapy in acute myocardial infarction: demonstration of a selection bias in a retrospective study.
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use*; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy* / Q000401:mortality; D011379:Prognosis; D012189:Retrospective Studies; D012306:Risk
chemical_list: D000925:Anticoagulants