WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 3,2006, Pages 372-379,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 3,2006, Pages 485-488,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 3,2006, Pages 363-371,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 3,2006, Pages 500-503,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 3,2006, Pages 479-481,