Chinese Journal of Epidemiology, Volume 38, Issue 3,2017, Pages 359-363, doi:10.3760/cma.j.issn.0254-6450.2017.03.017
Chinese Journal of Epidemiology, Volume 38, Issue 3,2017, Pages 331-335, doi:10.3760/cma.j.issn.0254-6450.2017.03.011
Chinese Journal of Epidemiology, Volume 38, Issue 3,2017, Pages 326-330, doi:10.3760/cma.j.issn.0254-6450.2017.03.010
Chinese Journal of Epidemiology, Volume 38, Issue 3,2017, Pages 320-325, doi:10.3760/cma.j.issn.0254-6450.2017.03.009
Chinese Journal of Epidemiology, Volume 38, Issue 3,2017, Pages 341-345, doi:10.3760/cma.j.issn.0254-6450.2017.03.013