• English Journal: Digestive Endoscopy
• Digestive Endoscopy (Free Access)
• English Journal: DEN Open
• JGES Guidelines
• DEN Video articles (free access)
• Congress Abstract
• History of Endoscopy – The 100th Anniversary of JGES
• History of Gastrointestinal Endoscopy, 2nd edition（Hirohumi Niwa）
• JGES Gastroenterological Endoscopy Handbook