ADHIKARI, K. R.; MANDAL, R. K. Study of Endoscopic Findings in First Episode of Upper Gastrointestinal Bleeding. Journal of Advances in Internal Medicine, [S. l.], v. 10, n. 1, p. 14–19, 2021. DOI: 10.3126/jaim.v10i1.37085. Disponível em: https://www.nepjol.info/index.php/JAIM/article/view/37085. Acesso em: 27 oct. 2021.