CHINA MEDICAL HERALD, Volume 3, Issue 26,2006, Pages 145-147, doi:10.3969/j.issn.1673-7210.2006.26.111
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 26,2006, Pages 4203-4205,
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 26,2006, Pages 1872, doi:10.3760/j:issn:0376-2491.2006.26.020
CHINESE NURSING RESEARCH, Volume 20, Issue 26,2006, Pages 2363-2365, doi:10.3969/j.issn.1009-6493.2006.26.007