Chinese Journal of Epidemiology, Volume 39, Issue 8,2018, Pages 1051-1059, doi:10.3760/cma.j.issn.0254-6450.2018.08.008
Chinese Journal of Epidemiology, Volume 39, Issue 8,2018, Pages 1121-1124, doi:10.3760/cma.j.issn.0254-6450.2018.08.021
Chinese Journal of Epidemiology, Volume 39, Issue 8,2018, Pages 1082-1085, doi:10.3760/cma.j.issn.0254-6450.2018.08.013
Chinese Journal of Epidemiology, Volume 39, Issue 8,2018, Pages 1130-1134, doi:10.3760/cma.j.issn.0254-6450.2018.08.023
Chinese Journal of Epidemiology, Volume 39, Issue 8,2018, Pages 1135-1142, doi:10.3760/cma.j.issn.0254-6450.2018.08.024