WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 48,2005, Pages 7646-7650,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 48,2005, Pages 7631-7638,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 48,2005, Pages 7700-7701,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 48,2005, Pages 7716-7717,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 48,2005, Pages 7564-7568,