OCCUPATION AND HEALTH, Volume 24, Issue 24,2008, Pages 2747-2748, doi:10.3969/j.issn.1004-1257.2008.24.070
FAMILY NURSE, Volume 6, Issue 24,2008, Pages 2170-2170, doi:10.3969/j.issn.1674-4748.2008.24.074
CHINESE JOURNAL OF NEW DRUGS, Volume 17, Issue 24,2008, Pages 2154,2158, doi:10.3321/j.issn:1003-3734.2008.24.021
SCIENCE AND TECHNOLOGY INNOVATION HERALD, , Issue 24,2008, Pages 213-213, doi:10.3969/j.issn.1674-098X.2008.24.163