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National Patterns of R&D Resources
![](https://webarchive.library.unt.edu/eot2008/20090116111606im_/http://www.nsf.gov/images/greenline.jpg)
This series present trend data on the overall R&D effort in the U.S. Information includes R&D expenditures by source of funds, sector of performance, S&E employed in R&D, and international comparisons.
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