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Last Updated: Wednesday, 15 August 2007, 15:02 GMT 16:02 UK
A cloned human embryo which has divided to the eight-cell stage, Hwang
Scientists clone 30 human embryos
South Korean researchers produce the most advanced human embryo clones yet, to create cells for treating diseases.
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South Korean scientists have created 30 human embryo clones. BBC News Online looks at the significance of the announcement. Q&A: Cloning
How the South Koreans made their embryo copies
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Science in America - AAAS Seattle 2004


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