MEDICAL JOURNAL OF CHINESE PEOPLE'S HEALTH, Volume 19, Issue 17,2007, Pages 768, doi:10.3969/j.issn.1672-0369.2007.17.041
CHINA PRACTICAL MEDICINE, Volume 2, Issue 17,2007, Pages 71-72, doi:10.3969/j.issn.1673-7555.2007.17.048
JILIN MEDICAL JOURNAL, Volume 28, Issue 17,2007, Pages 1875, doi:10.3969/j.issn.1004-0412.2007.17.031