AL-Obaidy, A. A. M., AL-Hadithi, H. S., & Mahmood, A. S. (2017). The value of serological markers (CA19-9 & CCSA4) in the screening and prognosis of colon cancer. Journal of the Faculty of Medicine Baghdad, 59(1), 93-97. https://doi.org/10.32007/jfacmedbagdad.591176