Digestive Diseases and Sciences
Digestive Diseases and Sciences > 1997 > 42 > 1 > 178-185
Digestive Diseases and Sciences > 1997 > 42 > 4 > 772-777
Digestive Diseases and Sciences > 1997 > 42 > 5 > 1094-1099
Digestive Diseases and Sciences > 1997 > 42 > 12 > 2476-2481