The study from Benin appears in the American Journal of Tropical Medicine and Hygiene.

这份来自贝宁的研究发表在《美国热带医学和卫生杂志》上。

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The finding is in the American Journal of Tropical Medicine and Hygiene. [Alan Poling et al.

这一发现刊登在<美国热带医学和卫生杂志>上。

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But in the control villages, the proportion rose by 246%, the researchers report online today in the American Journal of Tropical Medicine and Hygiene.

今天，研究人员在《美国热带医学与卫生杂志》在线版上报道，在那些对照村里，这个比例却上升了246%。

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The study has been published this week in the American Journal of Tropical Medicine and Hygiene.

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