1)日本胃癌学会(編).胃癌取扱い規約,13版.金原出版,1999
2)日本胃癌学会(編).胃癌取扱い規約,14版.金原出版,2010
3)Ezoe Y, Muto M, Uedo N, et al. Magnifying narrow band imaging is more accurate than conventional white-light imaging in diagnosis of gastric mucosal cancer. Gastroenterology 141 : 2017-2025, e3, 2011
4)Iishi H, Tatsuta M, Okuda S, et al. Endoscopic diagnosis of minute gastric cancer of less than 5mm in diameter. Cancer 56 : 655-659, 1985
5)Yao K, Anagnostopoulos GK, Ragunath K. Magnifying endoscopy for diagnosing anddelineating early gastric cancer. Endoscopy 41 : 462-467, 2009