early experience with unsedated ultrathin 4.9 mm transnasal gastroscopy: a pilot study
;Justin Cheung;Robert Bailey;Sander Veldhuyzen van Zanten;Ross McLean;Richard N Fedorak;John Morse;Mario Millan;Tom Guzowski;Karen J Goodman;for the CANHelp working group
indian journal of pharmacology2008Vol. 22pp. 917-922
218
cheung2008canadianearly
Abstract
BACKGROUND: Unsedated transnasal gastroscopy is a technique with unverified clinical advantages.