1. Incidence of diagnosed deep vein thrombosis in the general population;Fowkes;Eur J Vasc Endovasc Surg,2003
2. The association between air travel and deep vein thrombosis: systematic review & meta-analysis;Adi;BMC Cardiovasc Disord,2004
3. Thrombotic risk during pregnancy: a population study;Lindqvist;Obstet Gynecol,1999
4. Venous thromboembolism: reducing the risk of venous thromboembolism (deep vein thrombosis and pulmonary embolism) in patients admitted to hospital,2010
5. Risk-assessment algorithm and recommendations for venous thromboembolism prophylaxis in medical patients;Rocha;Vasc Health Risk Manag,2007