WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 45,2006, Pages 7326-7328,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 45,2006, Pages 7250-7262,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 45,2006, Pages 7341-7345,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 45,2006, Pages 7391,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 45,2006, Pages 7350-7354,