CHINESE JOURNAL OF ENDEMIOLOGY, Volume 27, Issue 1,2008, Pages 12-14, doi:10.3760/cma.j.issn.1000-4955.2008.01.004
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CHINESE JOURNAL OF ENDEMIOLOGY, Volume 27, Issue 1,2008, Pages 77-80, doi:10.3760/cma.j.issn.1000-4955.2008.01.022
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CHINESE JOURNAL OF ENDEMIOLOGY, Volume 27, Issue 1,2008, Pages 1-2, doi:10.3760/cma.j.issn.1000-4955.2008.01.001