AL-saady RK, AL-Tai WF, Himdan TA. Determination of Cancer Antigen CA15-3 and Carcino Embryonic Antigen CEA concentration as Tumor Markers in Patients with Stomach and Colorectal cancers. JFacMedBagdad [Internet]. 2012 Oct. 1 [cited 2024 May 4];54(3):256-8. Available from: https://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/734