AL-saady, Rana. K., Wafa. F. AL-Tai, and Taqi A. Himdan. “Determination of Cancer Antigen CA15-3 and Carcino Embryonic Antigen CEA Concentration As Tumor Markers in Patients With Stomach and Colorectal Cancers”. Journal of the Faculty of Medicine Baghdad 54, no. 3 (October 1, 2012): 256–258. Accessed May 3, 2024. https://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/734.