1. 1. Cushman M. (2007). Epidemiology and Risk Factors for Venous Thrombosis. Semin Hematol. 44(2), 62-9. DOI: 10.1053/j.seminhematol.2007.02.004.10.1053/j.seminhematol.2007.02.004
2. 2. Tagalakis V, Patenaude V, Kahn SR, Suissa S. (2013). Incidence of and Mortality from Venous Thromboembolism in a Real-world Population: The Q-VTE Study Cohort. Am J Med. 126(9), 832.e13-21. DOI: 10.1016/j.amjmed.2013.02.024.10.1016/j.amjmed.2013.02.024
3. 3. Goldhaber SZ. (2012). Venous thromboembolism: Epidemiology and magnitude of the problem. Best Pract Res Clin Haematol. 25(3), 235-42. DOI: 10.1016/j.beha.2012.06.007.10.1016/j.beha.2012.06.007
4. 4. Cohen AT, Agnelli G, Anderson FA, Arcelus JI, Bergqvist D, Brecht JG, et al. (2007). Venous thromboembolism (VTE) in Europe. The number of VTE events and associated morbidity and mortality. Thromb Haemost. 98(4), 756-64. DOI: 10.1160/TH07-03-0212.10.1160/TH07-03-0212
5. 5. Falck-Ytter Y, Francis CW, Johanson NA, Curley C, Dahl OE, Schulman S, Ortel TL, Pauker SG, Colwell CW Jr. (2012). Prevention of VTE in orthopedic surgery patients: antithrombotic therapy and prevention of thrombosis, 9th ed: American College of Chest Physicians evidence-based clinical practice guidelines. Chest 141(2 Suppl), e278S-325S. DOI: 10.1378/chest.11-2404.10.1378/chest.11-2404