WORLD HEALTH DIGEST, Volume 08, Issue 34,2011, Pages 219-220, doi:10.3969/j.issn.1672-5085.2011.34.225
China Journal of Modern Medicine, Volume 21, Issue 34,2011, Pages 4265-4268,4274,
CHINESE AND FOREIGN MEDICAL RESEARCH, Volume 09, Issue 34,2011, Pages 104-105, doi:10.3969/j.issn.1674-6805.2011.34.073
CHINA FOREIGN MEDICAL TREATMENT, Volume 30, Issue 34,2011, Pages 19-20, doi:10.3969/j.issn.1674-0742.2011.34.010