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A paper discussed below was later found to have been based on fabricated data. Details of the official investigation into Woo Suk Hwang’s research, delivered by a panel from Seoul National University, was released on 10 January 2006. Click here for the story.

WITH great fanfare a South Korean team announced last week that it had used therapeutic cloning to create human embryonic stem cells that were genetically matched to specific people. But their technique could already be obsolete.

Another team headed by Yuri Verlinsky of the Reproductive Genetics Institute, based in Chicago, claims to have produced patient-matched embryonic…

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