Authors: Helen M Shields; Elena M Stoffel; Daniel C Chung; Thomas D Sequist; Justin W Li; Stephen R Pelletier; Justin Spencer; Jean M Silk; Bonita L Austin; Susan Diguette; Jean E Furbish; Ruth Lederman; Saul N Weingart Journal: Clin Gastroenterol Hepatol Date: 2013-07-23 Impact factor: 11.382