A study published in this week's Public Library of Science (PLoS) Medicine, an open-access scientific journal, raises doubts about dispensing such drugs so freely.

这周一份公布在开架阅览的科学定期刊物《公共图书馆医药科学版》上的研究对于如此自由的配给这类药物提出了疑问。

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Hades is an open source library that's built on top of JPA and Spring to significantly improve the implementation of data access layers by reducing the effort to the amount that's actually needed.

Hades是一个开源库，基于JPA和Spring构建，通过减少开发工作量显著的改进了数据访问层的实现。

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You can read the full text of their article in the new Public Library of Science's international, peer-reiewed, open-access, online publication PLoS One.

通过在科学国际化新公共图书馆等途径，你可以来阅读他们文章的全文。

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Scitable is an open-access online library of scientific articles available for free to students anywhere.

FORBES: Tackling Science's Future Brain Drain, Scitable Brings Its Research Network To The Mobile Masses

The British announcement followed the publication of a report by Dame Janet Finch, a sociologist at the University of Manchester, which recommends encouraging a business model adopted by one of the pioneers of open-access publishing, the Public Library of Science.

ECONOMIST: Academic journals face a radical shake-up