CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 2,2011, Pages 118-122, doi:10.3760/cma.j.issn.0253-9624.2011.02.005
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 2,2011, Pages 163-165, doi:10.3760/cma.j.issn.0253-9624.2011.02.015
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 2,2011, Pages 177-178, doi:10.3760/cma.j.issn.0253-9624.2011.02.020
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 2,2011, Pages 113-117, doi:10.3760/cma.j.issn.0253-9624.2011.02.004
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 2,2011, Pages 143-145, doi:10.3760/cma.j.issn.0253-9624.2011.02.010