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Nature 415, 103 (10 January 2002) | doi:10.1038/415103b
Clone pioneer calls for health tests
David Adam
Ian Wilmut, who led the team that created Dolly the sheep, has called for better assessments of the health of cloned animals, after revealing that Dolly has developed arthritis.Wilmut, of the Roslin Institute near Edinburgh, says that Dolly's condition could have arisen because of genetic defects caused by the cloning process.
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