Parveen, Monira, Shah Md Badruddoza, SM Asafudullah, Khadiza Khanom, Arefa Sultana, and Shameem Akhter. “Serum CA 19.9 As a Tumour Marker in Colorectal Cancer Staging- An Experimental Study”. TAJ: Journal of Teachers Association 33, no. 1 (October 18, 2020): 35–40. Accessed May 6, 2024. https://www.banglajol.info/index.php/TAJ/article/view/49823.