Chinese Journal of Epidemiology, Volume 35, Issue 12,2014, Pages 1404-1406, doi:10.3760/cma.j.issn.0254-6450.2014.12.020
Chinese Journal of Epidemiology, Volume 35, Issue 12,2014, Pages 1354-1357, doi:10.3760/cma.j.issn.0254-6450.2014.12.009
Chinese Journal of Epidemiology, Volume 35, Issue 12,2014, Pages 1400-1403, doi:10.3760/cma.j.issn.0254-6450.2014.12.019
Chinese Journal of Epidemiology, Volume 35, Issue 12,2014, Pages 1384-1388, doi:10.3760/cma.j.issn.0254-6450.2014.12.015
Chinese Journal of Epidemiology, Volume 35, Issue 12,2014, Pages 1366-1370, doi:10.3760/cma.j.issn.0254-6450.2014.12.011