WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 43,2006, Pages 7025-7028,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 43,2006, Pages 7058-7060,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 43,2006, Pages 7055-7057,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 43,2006, Pages 6973-6981,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 43,2006, Pages 7007-7011,