Cotruta, B., Gheorghe, C., Iacob, R., Dumbrava, M., Radu, C., Bancila, I., & Becheanu, G. (2017). The Orientation of Gastric Biopsy Samples Improves the Interobserver Agreement of the OLGA Staging System. Journal of Gastrointestinal and Liver Diseases, 26(4), 351-356. https://doi.org/10.15403/jgld.2014.1121.264.olg