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Scientists see new hurdles in push to make stem cells

By Carolyn Y. Johnson
Globe Staff / July 19, 2010

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The breakthrough discovery four years ago that scientists could transform adult cells into stem cells has sparked research in labs across the world, spawned start-up companies, and bolstered the long-term dream that a patient’s own cells could be used to regenerate damaged tissue. (Full article: 794 words)

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