title: Preventing thromboembolism after myocardial infarction: effect of low-dose heparin or smoking.
mesh_terms: D006493:Heparin / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications*; D012907:Smoking; D013923:Thromboembolism / Q000209:etiology / Q000517:prevention & control*
chemical_list: D006493:Heparin