Authors: Hrair P Simonian; Kashyap Panganamamula; Henry P Parkman; Xiaohong Xu; Jiande Z Chen; Greger Lindberg; Hui Xu; Chi Shao; Mei-Yun Ke; Michael Lykke; Per Hansen; Bjorn Barner; Henrik Buhl Journal: Dig Dis Sci Date: 2004-04 Impact factor: 3.199