NURSAL, Tarık Zafer, and Erhan HAMALOĞLU. “The Effect of Preoperative Blood Transfusion on Morbidity and Survival in Colorectal Malignancy”. Turkish Journal of Gastroenterology, vol. 17, no. 4, Jan. 2006, pp. 283-7, https://turkjgastroenterol.org/index.php/tjg/article/view/1548.