WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 40,2005, Pages 6354-6359,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 40,2005, Pages 6305-6311,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 40,2005, Pages 6288-6294,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 40,2005, Pages 6277-6280,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 40,2005, Pages 6269-6276,