CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 5,2009, Pages 442-444, doi:10.3760/cma.j.issn.0253-9624.2009.05.023
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 5,2009, Pages 450-451, doi:10.3760/cma.j.issn.0253-9624.2009.05.027
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 5,2009, Pages 368-370, doi:10.3760/cma.j.issn.0253-9624.2009.05.005
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 5,2009, Pages 376-379, doi:10.3760/cma.j.issn.0253-9624.2009.05.008
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 5,2009, Pages 359-362, doi:10.3760/cma.j.issn.0253-9624.2009.05.002