WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 37,2005, Pages 5821-5827,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 37,2005, Pages 5782-5786,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 37,2005, Pages 5795-5800,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 37,2005, Pages 5770-5776,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 37,2005, Pages 5811-5815,