Ustündağ, Yücel Unsedated small caliber esophagogastroduodenoscopy: can we trust this technique? [electronic resource] - The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology Jun 2011 - 237-42 p. digital Publication Type: Journal Article; Review ISSN: 2148-5607 Standard No.: 10.4318/tjg.2011.0207 doi Subjects--Topical Terms: Conscious SedationCost-Benefit AnalysisEndoscopesEndoscopy, Digestive System--instrumentationFiber Optic TechnologyHumansSafetyVideo Recording