Chinese Journal of Epidemiology, Volume 39, Issue 1,2018, Pages 58-62, doi:10.3760/cma.j.issn.0254-6450.2018.01.012
Chinese Journal of Epidemiology, Volume 39, Issue 1,2018, Pages 94-97, doi:10.3760/cma.j.issn.0254-6450.2018.01.020
Chinese Journal of Epidemiology, Volume 39, Issue 1,2018, Pages 21-26, doi:10.3760/cma.j.issn.0254-6450.2018.01.004
Chinese Journal of Epidemiology, Volume 39, Issue 1,2018, Pages 35-39, doi:10.3760/cma.j.issn.0254-6450.2018.01.007
Chinese Journal of Epidemiology, Volume 39, Issue 1,2018, Pages 16-20, doi:10.3760/cma.j.issn.0254-6450.2018.01.003