Inci, F., & Karatas, F. (2021). The relationship of preoperative and postoperative serum CEA and CA 19-9 levels with tumor localization, stage and overall survival in patients with colorectal cancer . Annals of Medical Research, 28(4), 0726–0732. Retrieved from http://annalsmedres.org/index.php/aomr/article/view/465