WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 39,2006, Pages 6355-6360,
CHINESE JOURNAL OF CLINICAL REHABILITATION, Volume 10, Issue 39,2006, Pages 174-176, doi:10.3321/j.issn:1673-8225.2006.39.027
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 39,2006, Pages 6280-6284,
CHINESE JOURNAL OF CLINICAL REHABILITATION, Volume 10, Issue 39,2006, Pages 157-159, doi:10.3321/j.issn:1673-8225.2006.39.060
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 39,2006, Pages 2805, doi:10.3760/j:issn:0376-2491.2006.39.020