Authors: Ngozi I Okoro; Yutaka Tomizawa; Kelly T Dunagan; Lori S Lutzke; Kenneth K Wang; Ganapathy A Prasad Journal: Clin Gastroenterol Hepatol Date: 2011-11-02 Impact factor: 11.382
Authors: Rohit R Sharma; Mark J London; Laura L Magenta; Mitchell C Posner; Kevin K Roggin Journal: J Gastrointest Surg Date: 2009-06-10 Impact factor: 3.452