Chinese Journal of Epidemiology, Volume 38, Issue 4,2017, Pages 462-466, doi:10.3760/cma.j.issn.0254-6450.2017.04.010
Chinese Journal of Epidemiology, Volume 38, Issue 4,2017, Pages 542-546, doi:10.3760/cma.j.issn.0254-6450.2017.04.026
Chinese Journal of Epidemiology, Volume 38, Issue 4,2017, Pages 553-555, doi:10.3760/cma.j.issn.0254-6450.2017.04.028
Chinese Journal of Epidemiology, Volume 38, Issue 4,2017, Pages 478-481, doi:10.3760/cma.j.issn.0254-6450.2017.04.013
Chinese Journal of Epidemiology, Volume 38, Issue 4,2017, Pages 446-451, doi:10.3760/cma.j.issn.0254-6450.2017.04.007