CHINA FOREIGN MEDICAL TREATMENT, Volume 28, Issue 28,2009, Pages 56-56,58, doi:10.3969/j.issn.1674-0742.2009.28.043
WORLD HEALTH DIGEST, Volume 6, Issue 28,2009, Pages 253-254, doi:10.3969/j.issn.1672-5085.2009.28.288
CHINESE JOURNAL OF MODERN NURSING, Volume 15, Issue 28,2009, Pages 2918-2919, doi:10.3760/cma.j.issn.1674-2907.2009.28.036
CHINA PRACTICAL MEDICAL, Volume 4, Issue 28,2009, Pages 188-189, doi:10.3969/j.issn.1673-7555.2009.28.161