In “Leap of Faith,” Meredith Vieira looks at the work of Dr. Paolo Macchiarini, who is at the forefront of the field of regenerative medicine.
In “Leap of Faith,” Meredith Vieira looks at the work of Dr. Paolo Macchiarini, who is at the forefront of the field of regenerative medicine. Andrew Eccles/NBC
In “Leap of Faith,” Meredith Vieira looks at the work of Dr. Paolo Macchiarini, who is at the forefront of the field of regenerative medicine. Andrew Eccles/NBC
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What to Watch on Friday: Vieira reports on regenerative medicine

June 27, 2014 06:00 AM

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