Chinese Journal of Endemiology, Volume 30, Issue 5,2011, Pages 502-505, doi:10.3760/cma.j.issn.1000-4955.2011.05.009
Chinese Journal of Endemiology, Volume 30, Issue 5,2011, Pages 539-541, doi:10.3760/cma.j.issn.1000-4955.2011.05.019
Chinese Journal of Endemiology, Volume 30, Issue 5,2011, Pages 485-488, doi:10.3760/cma.j.issn.1000-4955.2011.05.004
Chinese Journal of Endemiology, Volume 30, Issue 5,2011, Pages 585, doi:10.3760/cma.j.issn.1000-4955.2011.05.035
Chinese Journal of Endemiology, Volume 30, Issue 5,2011, Pages 576-579, doi:10.3760/cma.j.issn.1000-4955.2011.05.031