Authors: Mamata Sivagnanam; James L Mueller; Hane Lee; Zugen Chen; Stanley F Nelson; Dan Turner; Stanley H Zlotkin; Paul B Pencharz; Bo-Yee Ngan; Ondrej Libiger; Nicholas J Schork; Joel E Lavine; Sharon Taylor; Robert O Newbury; Richard D Kolodner; Hal M Hoffman Journal: Gastroenterology Date: 2008-05-15 Impact factor: 22.682