CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 12,2009, Pages 1134-1135, doi:10.3760/cma.j.issn.0253-9624.2009.12.023
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 1077-1080, doi:10.3760/cma.j.issn.0253-9624.2009.12.007
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 12,2009, Pages 1123-1126, doi:10.3760/cma.j.issn.0253-9624.2009.12.018
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 43, Issue 12,2009, Pages 1126-1128, doi:10.3760/cma.j.issn.0253-9624.2009.12.019