Authors: Maxim Itkin; Mark H DeLegge; John C Fang; Stephen A McClave; Sanjoy Kundu; Bertrand Janne d'Othee; Gloria M Martinez-Salazar; David Sacks; Timothy L Swan; Richard B Towbin; T Gregory Walker; Joan C Wojak; Darryl A Zuckerman; John F Cardella Journal: Gastroenterology Date: 2011-08 Impact factor: 22.682