| http://www.w3.org/ns/prov#value | - n take stem cells and inject them into a patient and they work like magic, and they keep regenerating,??? Wu said. ???Most of these stem cells die.???And to create a new organ, the stem cells need specific cues and direction, especially to form the complex shapes, flexibility and structure of an active organ like the heart, he said.???Hurdles are everywhere.
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