WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 19,2006, Pages 3096-3100,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 19,2006, Pages 3073-3076,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 19,2006, Pages 3060-3064,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 19,2006, Pages 2991-2999,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 19,2006, Pages 3020-3025,