Inci, F. and 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), pp. 0726–0732. Available at: http://www.annalsmedres.org/index.php/aomr/article/view/465 (Accessed: 2 May 2024).