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New uses for old drugs

It takes too long and costs too much to bring new drugs to market. So let's beef up efforts to screen existing drugs for new uses, argue Curtis R. Chong and David J. Sullivan Jr.

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We thank Walter Pudelko for invaluable help with Supplementary Table 2.

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Supplementary Table 2

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Chong, C., Sullivan, D. New uses for old drugs. Nature 448, 645–646 (2007).

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