CHINESE JOURNAL OF MISDIAGNOSTICS, Volume 11, Issue 20,2011, Pages 4900-4901,
CHINA MEDICINE AND PHARMACY, Volume 01, Issue 20,2011, Pages 153,156,
Occupation and Health, Volume 27, Issue 20,2011, Pages 2347-2349,
MATERNAL & CHILD HEALTH CARE OF CHINA, Volume 26, Issue 20,2011, Pages 3081-3082,
Chinese Journal of Nosocomiology, , Issue 20,2011, Pages 4319-4320,