CHINA NEW TECHNOLOGIES AND PRODUCTS, , Issue 14,2009, Pages 222, doi:10.3969/j.issn.1673-9957.2009.14.220
WORLD HEALTH DIGEST, Volume 6, Issue 14,2009, Pages 229-230, doi:10.3969/j.issn.1672-5085.2009.14.260
JOURNAL OF QIQIHAR MEDICAL COLLEGE, Volume 30, Issue 14,2009, Pages 1702, doi:10.3969/j.issn.1002-1256.2009.14.023
JOURNAL OF NURSING SCIENCE, Volume 24, Issue 14,2009, Pages 67-68, doi:10.3870/hlxzz.2009.14.067
CHINA FEED, , Issue 14,2009, Pages 30-32, doi:10.3969/j.issn.1004-3314.2009.14.012