Digestive Diseases and Sciences
Digestive Diseases and Sciences > 2000 > 45 > 1 > 68-76
Digestive Diseases and Sciences > 2000 > 45 > 4 > 690-696
Digestive Diseases and Sciences > 2000 > 45 > 12 > 2414-2421
Digestive Diseases and Sciences > 2000 > 45 > 1 > 68-76
Digestive Diseases and Sciences > 2000 > 45 > 4 > 690-696
Digestive Diseases and Sciences > 2000 > 45 > 12 > 2414-2421