WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 24,2004, Pages 3696,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 24,2004, Pages 3680-3682,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 24,2004, Pages 3583-3589,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 24,2004, Pages 3616-3620,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 10, Issue 24,2004, Pages 3688-3690,