MUZELLINA, Virly Nanda; ANDARINI, Liovicinie; SYAM, Ari Fahrial. 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://ina-jghe.com/index.php/jghe/article/view/1107. Acesso em: 19 oct. 2026.