Chinese Journal of Epidemiology, Volume 41, Issue 7,2020, Pages 990-993, doi:10.3760/cma.j.cn112338-20200404-00514
Chinese Journal of Epidemiology, Volume 41, Issue 7,2020, Pages 1014-1020, doi:10.3760/cma.j.cn112338-20200129-00059
Chinese Journal of Epidemiology, Volume 41, Issue 7,2020, Pages 1021-1027, doi:10.3760/cma.j.cn112338-20200124-00057
Chinese Journal of Epidemiology, Volume 41, Issue 7,2020, Pages 1103-1109, doi:10.3760/cma.j.cn112338-20190911-00665
Chinese Journal of Epidemiology, Volume 41, Issue 7,2020, Pages 1092-1096, doi:10.3760/cma.j.cn112338-20200219-00123