Chinese Journal of Epidemiology, Volume 39, Issue 12,2018, Pages 1576-1581, doi:10.3760/cma.j.issn.0254-6450.2018.12.008
Chinese Journal of Epidemiology, Volume 39, Issue 12,2018, Pages 1642-1647, doi:10.3760/cma.j.issn.0254-6450.2018.12.020
Chinese Journal of Epidemiology, Volume 39, Issue 12,2018, Pages 1626-1629, doi:10.3760/cma.j.issn.0254-6450.2018.12.017
Chinese Journal of Epidemiology, Volume 39, Issue 12,2018, Pages 1596-1601, doi:10.3760/cma.j.issn.0254-6450.2018.12.011
Chinese Journal of Epidemiology, Volume 39, Issue 12,2018, Pages 1617-1620, doi:10.3760/cma.j.issn.0254-6450.2018.12.015