MAHAM ABDAAL, NUMAN GHAFOOR, ISMA AKRAM, MUHAMMAD USMAN, SAQIB HUSSAIN, MEHDI NAQVI. Endoscopic Determination of Various Causes of Upper Gastrointestinal Bleeding. Pakistan Journal of Medical & Health Sciences, [S. l.], v. 16, n. 12, p. 183, 2023. DOI: 10.53350/pjmhs20221612183. Disponível em: https://pjmhsonline.com/index.php/pjmhs/article/view/3562. Acesso em: 17 jul. 2024.