WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 13,2005, Pages 1991-1994,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 13,2005, Pages 2045-2047,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 13,2005, Pages 1976-1980,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 13,2005, Pages 1896-1902,
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 11, Issue 13,2005, Pages 1987-1990,