Prevention of venous thrombosis.
D000328:Adult; D000367:Age Factors; D000925:Anticoagulants / Q000627:therapeutic use; D006801:Humans; D007866:Leg / Q000098:blood supply; D008875:Middle Aged; D011182:Postoperative Care; D011183:Postoperative Complications / Q000517:prevention & control*; D011655:Pulmonary Embolism / Q000517:prevention & control; D013923:Thromboembolism / Q000517:prevention & control*; D013924:Thrombophlebitis / Q000517:prevention & control*
D000925:Anticoagulants