MOHSIN, A.; FARHAN, S. Upper Gastrointestinal Bleeding. Esculapio Journal of SIMS, Pakistan, v. 5, n. 3, p. 2–11, 2023. Disponível em: https://esculapio.pk/journal/index.php/journal-files/article/view/874. Acesso em: 11 dec. 2024.