MEDICAL INNOVATION OF CHINA, Volume 20, Issue 20,2011, Pages 61-62, doi:10.3969/j.issn.1674-4985.2011.20.038
WORLD HEALTH DIGEST, Volume 08, Issue 20,2011, Pages 15-16, doi:10.3969/j.issn.1672-5085.2011.20.010
CHINA MODERN MEDICINE, Volume 18, Issue 20,2011, Pages 133-134, doi:10.3969/j.issn.1674-4721.2011.20.081
CHINESE COMMUNITY DOCTORS, Volume 13, Issue 20,2011, Pages 162, doi:10.3969/j.issn.1007-614x.2011.20.152