Kawasaki, K., Fujita, Y., Uesugi, N., Sugai, T., & Matsumoto, T. (2018). Collagenous Gastritis Observed by Magnifying Narrow-Band Imaging Endoscopy. Journal of Gastrointestinal and Liver Diseases, 27(1), 7-7. https://doi.org/10.15403/jgld.2014.1121.271.kaw