title: Prevention of deep venous thrombosis.
mesh_terms: D000284:Administration, Oral; D000367:Age Factors; D000925:Anticoagulants / Q000008:administration & dosage; D006493:Heparin / Q000008:administration & dosage; D006801:Humans; D011312:Pressure; D012306:Risk; D013514:Surgical Procedures, Operative / Q000009:adverse effects; D013924:Thrombophlebitis / Q000209:etiology / Q000517:prevention & control*
chemical_list: D000925:Anticoagulants; D006493:Heparin