WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 8,2010, Pages 992-996, doi:10.3748/wjg.vl6.i8.992
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 8,2010, Pages 948-952, doi:10.3748/wjg.vl6.i8.948
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 8,2010, Pages 966-972, doi:10.3748/wie.vl6.i8.966
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 8,2010, Pages 973-981, doi:10.3748/wjg.vl6.i8.973
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 16, Issue 8,2010, Pages 915-920, doi:10.3748/wjg.vl6.i8.915