
Gastroenterol Hepatol, 2008. Siu WT, Leong HT, Law BK, Chau CH, Li AC, Fung KH, et al. Zhonghua Yi Xue Za Zhi( Taipei), 2000; molecular. Gralnek IM, Barkun AN, Bardou M. New England Journal of Medicine, 2008; 359(9): 928-937. Larssen L, Moger , Bjø rnbeth BA, Lygren I, Klø stomach actively.