Authors: Guo-Shuang Feng; Jun-Ling Ma; Benjamin C Y Wong; Lian Zhang; Wei-Dong Liu; Kai-Feng Pan; Lin Shen; Xiao-Dong Zhang; Jie Li; Harry Hx Xia; Ji-You Li; Shiu Kum Lam; Wei-Cheng You Journal: World J Gastroenterol Date: 2008-07-28 Impact factor: 5.742