L., A. M.; YEVOOR, K. Evaluation of chronic gastritis with Helicobacter pylori using updated Sydney system. International Journal of Research in Medical Sciences, [S. l.], v. 9, n. 9, p. 2728–2732, 2021. DOI: 10.18203/2320-6012.ijrms20213415. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/9907. Acesso em: 26 may. 2026.