WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 37,2006, Pages 6037-6040,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 37,2006, Pages 6032-6036,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 37,2006, Pages 6082-6083,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 37,2006, Pages 6002-6007,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 37,2006, Pages 6026-6031,