title: Prevention of venous thromboembolism.
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use; D001241:Aspirin / Q000627:therapeutic use; D001777:Blood Coagulation / Q000187:drug effects; D001792:Blood Platelets / Q000187:drug effects; D003911:Dextrans / Q000627:therapeutic use; D004087:Dihydroergotamine / Q000627:therapeutic use; D004176:Dipyridamole / Q000627:therapeutic use; D006470:Hemorrhage / Q000139:chemically induced; D006487:Hemostasis; D006493:Heparin / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D006801:Humans; D011655:Pulmonary Embolism / Q000517:prevention & control; D013924:Thrombophlebitis / Q000209:etiology / Q000517:prevention & control*
chemical_list: D000925:Anticoagulants; D003911:Dextrans; D004087:Dihydroergotamine; D004176:Dipyridamole; D006493:Heparin; D001241:Aspirin