PISCOYA, . Nothing is permanent but change itself. Revista de Gastroenterología del Perú, [S. l.], v. 40, n. 3, p. 217–8, 2020. DOI: 10.47892/rgp.2020.403.1119. Disponível em: https://revistagastroperu.com/index.php/rgp/article/view/1119. Acesso em: 23 nov. 2024.