Chinese Journal of Epidemiology, Volume 39, Issue 7,2018, Pages 925-930, doi:10.3760/cma.j.issn.0254-6450.2018.07.012
Chinese Journal of Epidemiology, Volume 39, Issue 7,2018, Pages 993-998, doi:10.3760/cma.j.issn.0254-6450.2018.07.024
Chinese Journal of Epidemiology, Volume 39, Issue 7,2018, Pages 966-970, doi:10.3760/cma.j.issn.0254-6450.2018.07.019
Chinese Journal of Epidemiology, Volume 39, Issue 7,2018, Pages 999-1002, doi:10.3760/cma.j.issn.0254-6450.2018.07.025
Chinese Journal of Epidemiology, Volume 39, Issue 7,2018, Pages 988-992, doi:10.3760/cma.j.issn.0254-6450.2018.07.023