Digestive Diseases and Sciences
Digestive Diseases and Sciences > 1998 > 43 > 5 > 935-939
Digestive Diseases and Sciences > 1998 > 43 > 5 > 931-934
Digestive Diseases and Sciences > 1998 > 43 > 5 > 940-942
Digestive Diseases and Sciences > 1998 > 43 > 6 > 1275-1284