CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 5,2011, Pages 393-398, doi:10.3760/cma.j.issn.0253-9624.2011.05.003
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 5,2011, Pages 435-439, doi:10.3760/cma.j.issn.0253-9624.2011.05.011
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 5,2011, Pages 440-443, doi:10.3760/cma.j.issn.0253-9624.2011.05.012
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 5,2011, Pages 447-448, doi:10.3760/cma.j.issn.0253-9624.2011.05.014
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 45, Issue 5,2011, Pages 390-392, doi:10.3760/cma.j.issn.0253-9624.2011.05.002