CALVA RODRÍGUEZ, ROBERTO. ETIOLOGÍA DE LA HIPERTENSIÓN PORTA PRIMERA PARTE. GastrohNup, [S. l.], v. 13, n. 2, 2016. Disponível em: https://ojs.h-novigo.com/index.php/gastrohnup/article/view/1280. Acesso em: 19 ene. 2025.