Chinese Journal of Epidemiology, Volume 35, Issue 11,2014, Pages 1249-1251, doi:10.3760/cma.j.issn.0254-6450.2014.11.016
Chinese Journal of Epidemiology, Volume 35, Issue 11,2014, Pages 1227-1230, doi:10.3760/cma.j.issn.0254-6450.2014.11.011
Chinese Journal of Epidemiology, Volume 35, Issue 11,2014, Pages 1192-1197, doi:10.3760/cma.j.issn.0254-6450.2014.11.004
Chinese Journal of Epidemiology, Volume 35, Issue 11,2014, Pages 1212-1217, doi:10.3760/cma.j.issn.0254-6450.2014.11.008
Chinese Journal of Epidemiology, Volume 35, Issue 11,2014, Pages 1263-1266, doi:10.3760/cma.j.issn.0254-6450.2014.11.019