Chinese Journal of Epidemiology, Volume 38, Issue 11,2017, Pages 1471-1475, doi:10.3760/cma.j.issn.0254-6450.2017.11.006
Chinese Journal of Epidemiology, Volume 38, Issue 11,2017, Pages 1476-1479, doi:10.3760/cma.j.issn.0254-6450.2017.11.007
Chinese Journal of Epidemiology, Volume 38, Issue 11,2017, Pages 1523-1527, doi:10.3760/cma.j.issn.0254-6450.2017.11.017
Chinese Journal of Epidemiology, Volume 38, Issue 11,2017, Pages 1494-1498, doi:10.3760/cma.j.issn.0254-6450.2017.11.011
Chinese Journal of Epidemiology, Volume 38, Issue 11,2017, Pages 1509-1513, doi:10.3760/cma.j.issn.0254-6450.2017.11.014