Chinese Journal of Endemiology, Volume 31, Issue 5,2012, Pages 499-505, doi:10.3760/cma.j.issn.1000-4955.2012.05.007
Chinese Journal of Endemiology, Volume 31, Issue 5,2012, Pages 515-517, doi:10.3760/cma.j.issn.1000-4955.2012.05.010
Chinese Journal of Endemiology, Volume 31, Issue 5,2012, Pages 585, doi:10.3760/cma.j.issn.1000-4955.2012.05.030
Chinese Journal of Endemiology, Volume 31, Issue 5,2012, Pages 542-544, doi:10.3760/cma.j.issn.1000-4955.2012.05.018
Chinese Journal of Endemiology, Volume 31, Issue 5,2012, Pages 518-522, doi:10.3760/cma.j.issn.1000-4955.2012.05.011