Digestive Diseases and Sciences
Digestive Diseases and Sciences > 1997 > 42 > 1 > 83-90
Digestive Diseases and Sciences > 1997 > 42 > 3 > 640-644
Digestive Diseases and Sciences > 1997 > 42 > 3 > 654-660
Digestive Diseases and Sciences > 1997 > 42 > 1 > 83-90
Digestive Diseases and Sciences > 1997 > 42 > 3 > 640-644
Digestive Diseases and Sciences > 1997 > 42 > 3 > 654-660