MUZELLINA, V. N.; ANDARINI, L.; SYAM, A. F. Etiology of Upper Gastrointestinal Bleeding: A Five-Year Study at a Tertiary Hospital. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, [S. l.], v. 27, n. 1, p. 3–9, 2026. DOI: 10.24871/27120263-9. Disponível em: https://www.ina-jghe.com/index.php/jghe/article/view/1107. Acesso em: 2 oct. 2026.