Morshed, Ghada, and Nader Zaki. “Adequate Timing of Thromboembolic Prophylaxis in Colorectal Cancer Surgery”. International Surgery Journal 5, no. 2 (January 25, 2018): 576–579. Accessed February 1, 2026. https://www.ijsurgery.com/index.php/isj/article/view/2330.