Dhahir, Nasir, and Aqeel Noaman. “A Comparative Study of Colorectal Cancer Based on Patient’s Age”. Journal of the Faculty of Medicine Baghdad 63, no. 2 (July 13, 2021): 70-73. Accessed October 16, 2021. https://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/1825.