HEALTH VOCATIONAL EDUCATION, Volume 25, Issue 22,2007, Pages 133-134, doi:10.3969/j.issn.1671-1246.2007.22.079
CHINESE JOURNAL OF MISDIAGNOSTICS, Volume 7, Issue 22,2007, Pages 5441-5441, doi:10.3969/j.issn.1009-6647.2007.22.242
MEDICAL RECAPITULATE, Volume 13, Issue 22,2007, Pages 封2,1700, doi:10.3969/j.issn.1006-2084.2007.22.034
CHINESE JOURNAL OF MISDIAGNOSTICS, Volume 7, Issue 22,2007, Pages 5326-5326, doi:10.3969/j.issn.1009-6647.2007.22.108
OCCUPATION AND HEALTH, Volume 23, Issue 22,2007, Pages 2092, doi:10.3969/j.issn.1004-1257.2007.22.055