KHAN, F.; GUPTA, A. C.; GIRI, R.; KUMAR, V. Spectrum and risk factors for upper gastrointestinal bleed: an experience from multilevel teaching hospital of North India. International Journal of Advances in Medicine, [S. l.], v. 10, n. 6, p. 452–455, 2023. DOI: 10.18203/2349-3933.ijam20231451. Disponível em: https://www.ijmedicine.com/index.php/ijam/article/view/3786. Acesso em: 27 dec. 2025.