title: PEP trial. Pulmonary Embolism Prevention.
authors.forename: D P
authors.initials: DP
authors.lastname: Thomas
mesh_terms: D000368:Aged; D019644:Arthroplasty, Replacement, Hip; D001241:Aspirin / Q000009:adverse effects / Q000627:therapeutic use*; D006620:Hip Fractures / Q000601:surgery; D006801:Humans; D008297:Male; D009203:Myocardial Infarction / Q000209:etiology; D010919:Placebos; D010975:Platelet Aggregation Inhibitors / Q000009:adverse effects / Q000627:therapeutic use*; D016016:Proportional Hazards Models; D011655:Pulmonary Embolism / Q000517:prevention & control*; D012307:Risk Factors; D020521:Stroke / Q000209:etiology; D020246:Venous Thrombosis / Q000517:prevention & control
chemical_list: D010919:Placebos; D010975:Platelet Aggregation Inhibitors; D001241:Aspirin