Chinese Journal of Epidemiology, Volume 37, Issue 7,2016, Pages 1006-1011, doi:10.3760/cma.j.issn.0254-6450.2016.07.020
Chinese Journal of Epidemiology, Volume 37, Issue 7,2016, Pages 965-969, doi:10.3760/cma.j.issn.0254-6450.2016.07.012
Chinese Journal of Epidemiology, Volume 37, Issue 7,2016, Pages 1003-1005, doi:10.3760/cma.j.issn.0254-6450.2016.07.019
Chinese Journal of Epidemiology, Volume 37, Issue 7,2016, Pages 1039-1043, doi:10.3760/cma.j.issn.0254-6450.2016.07.026
Chinese Journal of Epidemiology, Volume 37, Issue 7,2016, Pages 949-954, doi:10.3760/cma.j.issn.0254-6450.2016.07.009