Vinoth, D., Sunay N. Bhat, and Joshua Samuel. “Routine Baseline Serum Carcinoembryonic Antigen As a Negative Predictor of Peritoneal Metastasis in Colorectal Malignancies: A Cost-Effective Tool in South India”. International Surgery Journal 7, no. 7 (June 25, 2020): 2159–2164. Accessed November 9, 2025. https://www.ijsurgery.com/index.php/isj/article/view/6014.