Miftahussurur, P.D. dr. M. 2025. CTC or CEA: Choosing Reliable Markers for Metastatic Colorectal Cancer. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy. 26, 3 (Dec. 2025), 201–203. DOI:https://doi.org/10.24871/2632025201-203.