PASCACIO FIORI, .; ALFÉREZ ANDÍA, .; KAPSOLI SÁNCHEZ, .; BENITES GOÑI, . Primary squamous cell carcinoma of the sigmoid colon: a case report and literature review. Revista de Gastroenterología del Perú, [S. l.], v. 41, n. 1, p. 41–44, 2021. DOI: 10.47892/rgp.2021.411.1243. Disponível em: https://revistagastroperu.com/index.php/rgp/article/view/1243. Acesso em: 7 may. 2024.