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Nature 416, 109 (14 March 2002) | doi:10.1038/416109a

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Beyond the cloning debate

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Arguments over human embryonic stem cells and cloning have loomed large over the choice of a new director of the National Institutes of Health. But the expected nominee for the position will need to prove himself on other fronts.

Within the next month or two, the US Senate will vote on a bill that would ban research into therapeutic cloning — the creation of cloned human embryos to extract embryonic stem (ES) cells matched to individual patients. The result is too close to call, and lobbying for and against has reached fever pitch.