Authors: Kenneth J Chang; Richard A Erickson; Amitabh Chak; Charles Lightdale; Yang K Chen; Kenneth F Binmoeller; Gregory C Albers; Wen-Pin Chen; Christine E McLaren; Michael V Sivak; John G Lee; Gerard A Isenberg; Richard C K Wong Journal: Gastrointest Endosc Date: 2010-07-22 Impact factor: 9.427