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. 2010 Aug 16;5(8):e12203. doi: 10.1371/journal.pone.0012203

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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Federal government spending on R&D per person, in inflation adjusted dollars, from 1996 to 2007 for the US, the EU-27 and China. Per capita figures were divided by the population of the region.