CHINA MEDICAL HERALD, Volume 6, Issue 30,2009, Pages 17-18, doi:10.3969/j.issn.1673-7210.2009.30.009
SCIENCE & TECHNOLOGY INFORMATION, , Issue 30,2009, Pages 345, doi:10.3969/j.issn.1001-9960.2009.30.283
MATERNAL AND CHILD HEALTH CARE OF CHINA, Volume 24, Issue 30,2009, Pages 4299-4300,
CHINA MODERN DOCTOR, Volume 47, Issue 30,2009, Pages 42-43, doi:10.3969/j.issn.1673-9701.2009.30.023
CHINA MEDICAL HERALD, Volume 6, Issue 30,2009, Pages 13-15, doi:10.3969/j.issn.1673-7210.2009.30.007