PENNELLI, G.; GRILLO, F.; GALUPPINI, F.; INGRAVALLO, G.; PILOZZI, E.; RUGGE, M.; FIOCCA, R.; FASSAN, M.; MASTRACCI, L. Gastritis: update on etiological features and histological practical approach: Review. Pathologica - Journal of the Italian Society of Anatomic Pathology and Diagnostic Cytopathology, v. 112, n. 3, p. 153-165, 29 Oct. 2020.