Moving Stem Cells Front and Center
By ANDREW POLLACK
The New York Times
Published: February 23, 2005
IRVINE, Calif. - Hans S. Keirstead might be the Pied Piper of stem cells - and not just because he makes rats walk. He also helped lure Californians to the polls last fall to approve spending $3 billion of the state's money on embryonic stem cell research over the next decade. But he has critics who worry that he may be leading their new field too far, too soon into uncharted territory.
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