Chinese Journal of Epidemiology, Volume 39, Issue 9,2018, Pages 1255-1260, doi:10.3760/cma.j.issn.0254-6450.2018.09.021
Chinese Journal of Epidemiology, Volume 39, Issue 9,2018, Pages 1172-1178, doi:10.3760/cma.j.issn.0254-6450.2018.09.006
Chinese Journal of Epidemiology, Volume 39, Issue 9,2018, Pages 1244-1248, doi:10.3760/cma.j.issn.0254-6450.2018.09.019
Chinese Journal of Epidemiology, Volume 39, Issue 9,2018, Pages 1146-1151, doi:10.3760/cma.j.issn.0254-6450.2018.09.002
Chinese Journal of Epidemiology, Volume 39, Issue 9,2018, Pages 1239-1243, doi:10.3760/cma.j.issn.0254-6450.2018.09.018