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Nature 444, 799 (14 December 2006) | doi:10.1038/444799b; Published online 13 December 2006
Stem-cell techique 'contrary to public order'
Alison Abbott
A German court has revoked a patent on a method for generating a class of human embryonic stem cells. The 5 December ruling is seen as yet another setback for stem-cell research in a nation where it is already constrained by tight regulation.
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