Chinese Journal of Epidemiology, Volume 38, Issue 2,2017, Pages 205-211, doi:10.3760/cma.j.issn.0254-6450.2017.02.014
Chinese Journal of Epidemiology, Volume 38, Issue 2,2017, Pages 189-193, doi:10.3760/cma.j.issn.0254-6450.2017.02.011
Chinese Journal of Epidemiology, Volume 38, Issue 2,2017, Pages 244-247, doi:10.3760/cma.j.issn.0254-6450.2017.02.022
Chinese Journal of Epidemiology, Volume 38, Issue 2,2017, Pages 137-141, doi:10.3760/cma.j.issn.0254-6450.2017.02.001
Chinese Journal of Epidemiology, Volume 38, Issue 2,2017, Pages 158-162, doi:10.3760/cma.j.issn.0254-6450.2017.02.005