Vinoth, D., S. N. Bhat, and J. 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, vol. 7, no. 7, June 2020, pp. 2159-64, doi:10.18203/2349-2902.isj20202813.