Chinese Journal of Epidemiology, Volume 37, Issue 8,2016, Pages 1091-1094, doi:10.3760/cma.j.issn.0254-6450.2016.08.007
Chinese Journal of Epidemiology, Volume 37, Issue 8,2016, Pages 1117-1120, doi:10.3760/cma.j.issn.0254-6450.2016.08.013
Chinese Journal of Epidemiology, Volume 37, Issue 8,2016, Pages 1183-1186, doi:10.3760/cma.j.issn.0254-6450.2016.08.025
Chinese Journal of Epidemiology, Volume 37, Issue 8,2016, Pages 1159-1163, doi:10.3760/cma.j.issn.0254-6450.2016.08.021
Chinese Journal of Epidemiology, Volume 37, Issue 8,2016, Pages 1099-1104, doi:10.3760/cma.j.issn.0254-6450.2016.08.009