Sadeq, Ekhlas Jameel, and Abdulmuniem Ahmed Mahdi. “The Correlation Between Vitamin D and Colorectal Cancer in Admitted Patients in Oncology Teaching Hospital”. Iraq Medical Journal 5, no. 4 (December 26, 2021). Accessed May 7, 2024. https://iraqmedj.org/index.php/imj/article/view/1136.