KHAN, N.; SHABBIR, G.; ZARIF, M.; KHATTAK, M. I. UPPER GASTROINTESTINAL ENDOSCOPIC ASSESSMENT OF PATIENTS PRESENTING WITH DYSPEPSIA. Journal of Postgraduate Medical Institute, [S. l.], v. 21, n. 3, 2011. Disponível em: https://jpmi.org.pk/index.php/jpmi/article/view/198. Acesso em: 23 apr. 2024.