1. 1) National Institute for Health and Clinical Excellence. CG46 Venous thromboembolism: Full guideline (http://www.nice.org.uk/guidance/index.jsp?action=download&o=30469)
2. 2) National Institute for Health and Clinical Excellence. CG46 Venous thromboembolism: Full guideline-Appendices (http://www.nice.org.uk/guidance/index.jsp?action=download&o=30470)