WORLD HEALTH DIGEST, Volume 08, Issue 28,2011, Pages 293-294, doi:10.3969/j.issn.1672-5085.2011.28.272
CHINESE GENERAL NURSING, Volume 09, Issue 28,2011, Pages 2573-2573, doi:10.3969/j.issn.1674-4748.2011.28.024
China Modern Medicine, Volume 18, Issue 28,2011, Pages 163-164, doi:10.3969/j.issn.1674-4721.2011.28.097
CHINA PRACTICAL MEDICAL, Volume 06, Issue 28,2011, Pages 64-65, doi:10.3969/j.issn.1673-7555.2011.28.041
CHINESE COMMUNITY DOCTORS, Volume 13, Issue 28,2011, Pages 13, doi:10.3969/j.issn.1007-614x.2011.28.010