WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 20,2004, Pages 2936-2939,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 20,2004, Pages 3026-3033,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 20,2004, Pages Ⅰ-Ⅲ,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 20,2004, Pages 2989-2993,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 20,2004, Pages 3056-3059,