染病的通道

跨越污水横流的新河,移民冒着自身及他人的健康风险

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Eric Niiler, based in San Diego, writes frequently about conservation issues.

More by Eric Niiler
大众科学 Magazine Vol 283 Issue 1This article was originally published with the title “Diseased Passage” in 大众科学 Magazine Vol. 283 No. 1 ()
doi:10.1038/scientificamerican072000-6l6Tjs41L9ik5HPYxd57uC
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