Kabir, M.J., Bhuiyan, A.M.U. and Rahman, M.M. 2019. Changes of Serum CEA Level after Resection of Colorectal Carcinoma. Journal of Surgical Sciences. 20, 1 (Nov. 2019), 3–6. DOI:https://doi.org/10.3329/jss.v20i1.43794.