HEART BEAT
March 19, 2012, 6:40 p.m. ET
To Fix a Heart, Doctors Train Girl's Body to Grow New Part
quote:

This notion is fueling research at many academic laboratories and dozens of start-up companies where scientists are hoping to identify effective ways to treat maladies including heart muscle damaged from heart attacks, paralysis due to spinal cord injuries and poor-functioning kidneys and bladders.

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http://online.wsj.com/article/SB1000...001385812.html