Gandomani, Hamidreza, Seyed yousefi, Mohammad Aghajani, Abdollah Mohammadian-Hafshejani, Abed Tarazoj, Vahideh Pouyesh, and Hamid Salehiniya. “Colorectal Cancer in the World: Incidence, Mortality and Risk Factors”. Biomedical Research and Therapy 4, no. 10 (October 14, 2017): 1656-1675. Accessed August 8, 2022. http://www.bmrat.org/index.php/BMRAT/article/view/372.