[Recent progress on digestive system endoscopies].
Niwa
F
F
D004064:Digestive System / Q000473:pathology; D013505:Digestive System Surgical Procedures; D004724:Endoscopy; D016145:Endoscopy, Digestive System / Q000295:instrumentation*; D006801:Humans; D007089:Image Enhancement / Q000295:instrumentation