Chinese Journal of Epidemiology, Volume 37, Issue 11,2016, Pages 1468-1472, doi:10.3760/cma.j.issn.0254-6450.2016.11.007
Chinese Journal of Epidemiology, Volume 37, Issue 11,2016, Pages 1463-1467, doi:10.3760/cma.j.issn.0254-6450.2016.11.006
Chinese Journal of Epidemiology, Volume 37, Issue 11,2016, Pages 1480-1484, doi:10.3760/cma.j.issn.0254-6450.2016.11.010
Chinese Journal of Epidemiology, Volume 37, Issue 11,2016, Pages 1509-1513, doi:10.3760/cma.j.issn.0254-6450.2016.11.015
Chinese Journal of Epidemiology, Volume 37, Issue 11,2016, Pages 1485-1490, doi:10.3760/cma.j.issn.0254-6450.2016.11.011