KHAN, P. M.; KHAN, S.; HAYAT, Z. Endoscopic Interpretation of Symptomatology of Patients with Upper Gastro-intestinal Problems: A Review of 1390 Cases. Journal of Postgraduate Medical Institute, [S. l.], v. 6, n. 1, 2011. Disponível em: https://jpmi.org.pk/index.php/jpmi/article/view/416. Acesso em: 22 nov. 2024.