WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 47,2006, Pages 7585-7590,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 47,2006, Pages 7621-7625,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 47,2006, Pages 7649-7653,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 47,2006, Pages 7626-7634,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 47,2006, Pages 7666-7670,