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一篇社论,需要参考。太贵啦!富国还不救救非洲疫区的穷人!
http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(77)92008-6/fulltext
Copyright © 1977 Published by Elsevier Ltd.
http://www.sciencedirect.com/science/article/pii/S0140673677920086
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