Digestive Diseases and Sciences
Digestive Diseases and Sciences > 1997 > 42 > 3 > 536-541
Digestive Diseases and Sciences > 1997 > 42 > 3 > 529-535
Digestive Diseases and Sciences > 1997 > 42 > 4 > 743-750
Digestive Diseases and Sciences > 1997 > 42 > 4 > 751-761
Digestive Diseases and Sciences > 1997 > 42 > 7 > 1449-1453
Digestive Diseases and Sciences > 1997 > 42 > 8 > 1697-1702