Chinese Journal of Preventive Medicine, Volume 45, Issue 11,2011, Pages 1012-1016, doi:10.3760/cma.j.issn.0253-9624.2011.11.013
Chinese Journal of Preventive Medicine, Volume 45, Issue 11,2011, Pages 1004-1006, doi:10.3760/cma.j.issn.0253-9624.2011.11.011
Chinese Journal of Preventive Medicine, Volume 45, Issue 11,2011, Pages 1036-1039, doi:10.3760/cma.j.issn.0253-9624.2011.11.018
Chinese Journal of Preventive Medicine, Volume 45, Issue 11,2011, Pages 990-994, doi:10.3760/cma.j.issn.0253-9624.2011.11.008
Chinese Journal of Preventive Medicine, Volume 45, Issue 11,2011, Pages 995-998, doi:10.3760/cma.j.issn.0253-9624.2011.11.009