WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 41,2006, Pages 6674-6677,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 41,2006, Pages 6711-6714,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 41,2006, Pages 6639-6645,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 41,2006, Pages 6620-6626,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 41,2006, Pages 6602-6607,