Chinese Journal of Epidemiology, Volume 39, Issue 11,2018, Pages 1432-1437, doi:10.3760/cma.j.issn.0254-6450.2018.11.003
Chinese Journal of Epidemiology, Volume 39, Issue 11,2018, Pages 1426-1431, doi:10.3760/cma.j.issn.0254-6450.2018.11.002
Chinese Journal of Epidemiology, Volume 39, Issue 11,2018, Pages 1472-1476, doi:10.3760/cma.j.issn.0254-6450.2018.11.010
Chinese Journal of Epidemiology, Volume 39, Issue 11,2018, Pages 1465-1471, doi:10.3760/cma.j.issn.0254-6450.2018.11.009