Chinese Journal of Epidemiology, Volume 38, Issue 7,2017, Pages 906-910, doi:10.3760/cma.j.issn.0254-6450.2017.07.012
Chinese Journal of Epidemiology, Volume 38, Issue 7,2017, Pages 950-953, doi:10.3760/cma.j.issn.0254-6450.2017.07.020
Chinese Journal of Epidemiology, Volume 38, Issue 7,2017, Pages 938-943, doi:10.3760/cma.j.issn.0254-6450.2017.07.018
Chinese Journal of Epidemiology, Volume 38, Issue 7,2017, Pages 883-888, doi:10.3760/cma.j.issn.0254-6450.2017.07.007
Chinese Journal of Epidemiology, Volume 38, Issue 7,2017, Pages 916-920, doi:10.3760/cma.j.issn.0254-6450.2017.07.014