Nihat OKÇU, Bekir SAMİ UYANIK, Ersin AKARSU, Ebubekir BAKAN, & H. Zeki TONBUL. (2020). The importance of carbonhydrate antigens (CA 19-9, CA 125), carcinoembriyonic antigen (CEA) and alkaline phosphatase (AP) in patients with gastric and colorectal cancer. Turkish Journal of Gastroenterology, 6(4), 467–471. Retrieved from https://tjg.avesjournals.com/index.php/tjg/article/view/1006