Shomaf, Maha, AL-Motassem Yousef, Nidaa Ababna, and Yahya Bobali. “Cyclooxygenase-2 (COX2) Gene Polymorphisms and the Risk of Sporadic Colorectal Cancer and Polyps Among Jordanian Population”. Turkish Journal of Gastroenterology 26, no. 2 (January 2, 2015): 154–158. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/2710.