SYED SHAYAN ALI, NAZISH BUTT, HAFIZ HARIS ALTAF, AMANULLAH ABBASI. The Etiology and Outcome of Upper Gastrointestinal Bleeding in Patients Presenting to Tertiary Care Hospital, Karachi. Pakistan Journal of Medical & Health Sciences, [S. l.], v. 16, n. 07, p. 646, 2022. DOI: 10.53350/pjmhs22167646. Disponível em: https://pjmhsonline.com/index.php/pjmhs/article/view/2274. Acesso em: 22 dec. 2024.