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St. Paul, Minn.

Big bioethics issues of 2008

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New heart cells
The dark solution at the base of this test tube contains heart cells that will be used to re-seed an empty heart.
MPR Photo/Lorna Benson
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New heart cells
The dark solution at the base of this test tube contains heart cells that will be used to re-seed an empty heart.
MPR Photo/Lorna Benson