CAUSES, MORBIDITY AND MORTALITY OF UPPER GASTROINTESTINAL BLEEDING (UGIB) AMONGST HOSPITALIZED PATIENTS. The Research of Medical Science Review, [S. l.], v. 3, n. 5, p. 531–537, 2025. Disponível em: http://www.thermsr.com/index.php/Journal/article/view/1147.. Acesso em: 18 may. 2025.