WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 35,2005, Pages 5498-5505,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 35,2005, Pages 5530-5534,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 35,2005, Pages 5485-5491,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 35,2005, Pages 5433-5437,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 35,2005, Pages 5423-5432,