COTRUTA, B.; GHEORGHE, C.; IACOB, R.; DUMBRAVA, M.; RADU, C.; BANCILA, I.; BECHEANU, G. The Orientation of Gastric Biopsy Samples Improves the Interobserver Agreement of the OLGA Staging System. Journal of Gastrointestinal and Liver Diseases, v. 26, n. 4, p. 351-356, 1 dez. 2017.