Chinese Journal of Epidemiology, Volume 42, Issue 12,2021, Pages 2164-2169, doi:10.3760/cma.j.cn112338-20210125-00063
Chinese Journal of Epidemiology, Volume 42, Issue 12,2021, Pages 2188-2195, doi:10.3760/cma.j.cn112338-20210310-00193
Chinese Journal of Epidemiology, Volume 42, Issue 12,2021, Pages 2112-2117, doi:10.3760/cma.j.cn112338-20210811-00633
Chinese Journal of Epidemiology, Volume 42, Issue 12,2021, Pages 2100-2105, doi:10.3760/cma.j.cn112338-20210811-00632
Chinese Journal of Epidemiology, Volume 42, Issue 12,2021, Pages 2149-2155, doi:10.3760/cma.j.cn112338-20210715-00551