Chinese Journal of Preventive Medicine, Volume 48, Issue 7,2014, Pages 640-643, doi:10.3760/cma.j.issn.0253-9624.2014.07.22
Chinese Journal of Preventive Medicine, Volume 48, Issue 7,2014, Pages 602-606, doi:10.3760/cma.j.issn.0253-9624.2014.07.014
Chinese Journal of Preventive Medicine, Volume 48, Issue 7,2014, Pages 566-570, doi:10.3760/cma.j.issn.0253-9624.2014.07.007
Chinese Journal of Preventive Medicine, Volume 48, Issue 7,2014, Pages 561-565, doi:10.3760/cma.j.issn.0253-9624.2014.07.006
Chinese Journal of Preventive Medicine, Volume 48, Issue 7,2014, Pages 607-611, doi:10.3760/cma.j.issn.0253-9624.2014.07.015