Tugcugil, E., B. Erdivanli, A. Sen, and A. Besir. “A Retrospective Study on the Effects of Diabetes Mellitus on Perioperative Fibrinogen and Bleeding Amount in Coronary Artery Bypass Surgery Patients”. Annals of Medical Research, vol. 25, no. 4, May 2021, pp. 0643-7, http://www.annalsmedres.org/index.php/aomr/article/view/1138.