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Scientists grow vocal cords in laboratory

Scientists in America have used human cells to grow vocal cords that produce realistic sounds.

The research offers hope to people whose voices have been lost due to cancer or injury, although the first vocal cord implants are still some years away.

Tests on the laboratory-grown tissue, transplanted into voice boxes removed from dead dogs, proved that it could produce the same kind of sound generated by its real counterpart.

Lead researcher Dr Nathan Welham, from the University of Wisconsin-Madison, told Phil Williams on 5 Live about the testing process....

This clip is originally from Phil Williams on 5 Live on Wednesday 18 November 2015.

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