Sanjay Devidas Dakhore, et al. “Role of Post-Operative Carcinoembryonic Antigen As Predictor of Outcome: Evaluation of Patients With Colorectal Malignancy at a Tertiary Care Center”. Asian Journal of Medical Sciences, vol. 13, no. 10, Oct. 2022, pp. 89-94, https://nepjol.info/index.php/AJMS/article/view/45781.