Digestive Diseases and Sciences
Digestive Diseases and Sciences > 1998 > 43 > 2 > 306-310
Digestive Diseases and Sciences > 1998 > 43 > 7 > 1443-1453
Digestive Diseases and Sciences > 1998 > 43 > 2 > 306-310
Digestive Diseases and Sciences > 1998 > 43 > 7 > 1443-1453