WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 5,2005, Pages 708-711,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 5,2005, Pages 712-716,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 5,2005, Pages 744-747,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 5,2005, Pages 695-699,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 5,2005, Pages 733-736,