WORLD CHINESE JOURNAL OF DIGESTOLOGY, Volume 13, Issue 13,2005, Pages 1599-1602, doi:10.3969/j.issn.1009-3079.2005.13.027
CHINESE NURSING RESEARCH, Volume 19, Issue 13,2005, Pages 1143-1146, doi:10.3969/j.issn.1009-6493.2005.13.007
WORLD CHINESE JOURNAL OF DIGESTOLOGY, Volume 13, Issue 13,2005, Pages 1597-1599, doi:10.3969/j.issn.1009-3079.2005.13.026
JOURNAL OF PRACTICAL MEDICAL TECHNIQUES, Volume 12, Issue 13,2005, Pages 1719-1720, doi:10.3969/j.issn.1671-5098.2005.13.026