Randomized Controlled Trial
Prevention of major venous thromboembolism following total hip or knee replacement: a randomized comparison of low-molecular-weight heparin with unfractionated heparin (ECHOS Trial).
Int Angiol. 2006 Dec 1;25(4):335-42.
Review
Ximelagatran for the prevention of venous thromboembolism following elective hip or knee replacement surgery.
Semin Vasc Med. 2005 Aug 1;5(3):266-75.
Clinical Trial
Risk factors for clinically relevant pulmonary embolism and deep venous thrombosis in patients undergoing primary hip or knee arthroplasty.
Anesthesiology. 2003 Sep 1;99(3):552-60; discussion 5A.