CONTEMPORARY MEDICINE, , Issue 21,2007, Pages 44-45, doi:10.3969/j.issn.1009-4393.2007.21.021
MEDICAL JOURNAL OF CHINESE PEOPLE'S HEALTH, Volume 19, Issue 21,2007, Pages 934-936,939, doi:10.3969/j.issn.1672-0369.2007.21.005
CHINA MODERN DOCTOR, Volume 45, Issue 21,2007, Pages 75-76, doi:10.3969/j.issn.1673-9701.2007.21.050