Chinese Journal of Endemiology, Volume 31, Issue 2,2012, Pages 229, doi:10.3760/cma.j.issn.1000-4955.2012.02.032
Chinese Journal of Endemiology, Volume 31, Issue 2,2012, Pages 212-215, doi:10.3760/cma.j.issn.1000-4955.2012.02.027
Chinese Journal of Endemiology, Volume 31, Issue 2,2012, Pages 216-218, doi:10.3760/cma.j.issn.1000-4955.2012.02.028
Chinese Journal of Endemiology, Volume 31, Issue 2,2012, Pages 147-150, doi:10.3760/cma.j.issn.1000-4955.2012.02.008
Chinese Journal of Endemiology, Volume 31, Issue 2,2012, Pages 234-236, doi:10.3760/cma.j.issn.1000-4955.2012.02.035