Chinese Journal of Preventive Medicine, Volume 46, Issue 2,2012, Pages 139-142, doi:10.3760/cma.j.issn.0253-9624.2012.02.010
Chinese Journal of Preventive Medicine, Volume 46, Issue 2,2012, Pages 110-113, doi:10.3760/cma.j.issn.0253-9624.2012.02.004
Chinese Journal of Preventive Medicine, Volume 46, Issue 2,2012, Pages 186, doi:10.3760/cma.j.issn.0253-9624.2012.02.022
Chinese Journal of Preventive Medicine, Volume 46, Issue 2,2012, Pages 143-147, doi:10.3760/cma.j.issn.0253-9624.2012.02.011
Chinese Journal of Preventive Medicine, Volume 46, Issue 2,2012, Pages 183-184, doi:10.3760/cma.j.issn.0253-9624.2012.02.020