WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 41,2005, Pages 6407-6408,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 41,2005, Pages 6409,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 41,2005, Pages 6508-6511,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 41,2005, Pages 6472-6476,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 41,2005, Pages 6489-6494,