CHINESE JOURNAL OF ENDEMIOLOGY, Volume 29, Issue 2,2010, Pages 150-154, doi:10.3760/cma.j.issn.1000-4955.2010.02.011
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CHINESE JOURNAL OF ENDEMIOLOGY, Volume 29, Issue 2,2010, Pages 234-236, doi:10.3760/cma.j.issn.1000-4955.2010.02.040
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 29, Issue 2,2010, Pages 225-227, doi:10.3760/cma.j.issn.1000-4955.2010.02.037
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 29, Issue 2,2010, Pages 130-134, doi:10.3760/cma.j.issn.1000-4955.2010.02.005