title: Prevention of venous thrombosis.
mesh_terms: D000328:Adult; D000721:Ancrod / Q000627:therapeutic use; D005265:Femoral Neck Fractures / Q000150:complications; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D007866:Leg / Q000098:blood supply; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000209:etiology / Q000517:prevention & control; D013924:Thrombophlebitis / Q000150:complications / Q000175:diagnosis / Q000517:prevention & control*
chemical_list: D006493:Heparin; D000721:Ancrod