Al-Ghurabi, Batool H., Luma G. Al-Saady, and Ahmed A. Al-Hassan. 2010. “The Role of Serum IL-6 in Colorectal Cancer Patients and it’s Relationship With Serum CEA Level”. Journal of the Faculty of Medicine Baghdad 51 (4): 403-6. https://doi.org/10.32007/jfacmedbagdad.5141094.