Chinese Journal of Endemiology, Volume 40, Issue 6,2021, Pages 431-434, doi:10.3760/cma.j.cn231583-20201204-00314
Chinese Journal of Endemiology, Volume 40, Issue 6,2021, Pages 441-447, doi:10.3760/cma.j.cn231583-20201022-00273
Chinese Journal of Endemiology, Volume 40, Issue 6,2021, Pages 513-516, doi:10.3760/cma.j.cn231583-20201013-00263
Chinese Journal of Endemiology, Volume 40, Issue 6,2021, Pages 507-512, doi:10.3760/cma.j.cn231583-20201106-00287
Chinese Journal of Endemiology, Volume 40, Issue 6,2021, Pages 464-469, doi:10.3760/cma.j.cn231583-20200715-00193