SIREGAR, G. A.; SIBARANI, H. Comparison of Carcinoembryonic Antigen Levels Among Degree of Differentiation and Colorectal Cancer’s Location in Medan. Open Access Macedonian Journal of Medical Sciences, [S. l.], v. 7, n. 20, p. 3447–3450, 2019. DOI: 10.3889/oamjms.2019.442. Disponível em: https://oamjms.eu/index.php/mjms/article/view/oamjms.2019.442. Acesso em: 1 may. 2024.