Digestive Diseases and Sciences
Digestive Diseases and Sciences > 2002 > 47 > 2 > 365-372
Digestive Diseases and Sciences > 2002 > 47 > 4 > 699-703
Digestive Diseases and Sciences > 2002 > 47 > 4 > 690-698
Digestive Diseases and Sciences > 2002 > 47 > 11 > 2473-2479
Digestive Diseases and Sciences > 2002 > 47 > 11 > 2500-2505