Digestive Diseases and Sciences
Digestive Diseases and Sciences > 2011 > 56 > 2 > 545-554
Digestive Diseases and Sciences > 2011 > 56 > 7 > 2191-2196
Digestive Diseases and Sciences > 2011 > 56 > 10 > 3045-3052
Digestive Diseases and Sciences > 2011 > 56 > 12 > 3648-3654