Chinese Journal of Preventive Medicine, Volume 47, Issue 11,2013, Pages 1020-1025, doi:10.3760/cma.j.issn.0253-9624.2013.11.011
Chinese Journal of Preventive Medicine, Volume 47, Issue 11,2013, Pages 996-1000, doi:10.3760/cma.j.issn.0253-9624.2013.11.006
Chinese Journal of Preventive Medicine, Volume 47, Issue 11,2013, Pages 1026-1030, doi:10.3760/cma.j.issn.0253-9624.2013.11.012
Chinese Journal of Preventive Medicine, Volume 47, Issue 11,2013, Pages 1045-1049, doi:10.3760/cma.j.issn.0253-9624.2013.11.016
Chinese Journal of Preventive Medicine, Volume 47, Issue 11,2013, Pages 1001-1005, doi:10.3760/cma.j.issn.0253-9624.2013.11.007