WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 29,2007, Pages 4025-4026,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 29,2007, Pages 4002-4005,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 29,2007, Pages 3973-3976,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 29,2007, Pages 3939-3947,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 29,2007, Pages 4032-4034,