KATIRA, H. B.; SRIVASTAVA, S. Upper gastro intestinal bleed: causes, endoscopic profile and usefulness of Rockall score in determining the outcome. International Journal of Research in Medical Sciences, [S. l.], v. 11, n. 6, p. 1956–1962, 2023. DOI: 10.18203/2320-6012.ijrms20231408. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/12121. Acesso em: 14 oct. 2025.