WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 30,2005, Pages 4753-4757,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 30,2005, Pages 4758-4760,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 30,2005, Pages 4661-4666,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 30,2005, Pages 4715-4720,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 30,2005, Pages 4634-4637,