WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 9,2006, Pages 1435-1438,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 9,2006, Pages 1426-1429,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 9,2006, Pages 1476-1478,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 9,2006, Pages 1439-1442,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 9,2006, Pages 1379-1385,