Bozkurt Kürşat A, Akay Tankut H, Çalkavur Tanzer İ, Şırlak  M, Balkanay Onur O, Uğuz  E, et al. National guidelines on the management of venous thromboembolism: Joint guideline of the Turkish Society of Cardiovascular Surgery, National Society of Vascular and Endovascular Surgery, and Phlebology Society. Turk Gogus Kalp Dama 2021;29:562-576