Digestive Diseases and Sciences
Digestive Diseases and Sciences > 1998 > 43 > 8 > 1770-1777
Digestive Diseases and Sciences > 2001 > 46 > 4 > 932-937
Digestive Diseases and Sciences > 1998 > 43 > 8 > 1770-1777
Digestive Diseases and Sciences > 2001 > 46 > 4 > 932-937