WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 18,2005, Pages 2759-2763,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 18,2005, Pages 2817-2821,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 18,2005, Pages 2714-2719,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 18,2005, Pages 2739-2743,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 18,2005, Pages 1A-4A,