CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 12,2009, Pages 1139-1140, doi:10.3760/cma.j.issn.0253-9624.2009.12.025
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 12,2009, Pages 1129-1131, doi:10.3760/cma.j.issn.0253-9624.2009.12.020
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CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 12,2009, Pages 1077-1080, doi:10.3760/cma.j.issn.0253-9624.2009.12.007
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 12,2009, Pages 1114-1116, doi:10.3760/cma.j.issn.0253-9624.2009.12.015