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News Feature
Nature 432, 943-945 (23 December 2004) | doi:10.1038/432943a; Published online 22 December 2004
Highlights
Scientists in South Korea successfully cloned 30 human embryos and extracted stem cells from them. Others have claimed to do the same before: a US company announced in 2001 that it had produced a short-lived cloned embryo, for example.
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