Doctors and researchers at the University of Louisville are attempting to make a copy of a sick patient's heart by using the person's own fat cells. A 3-D printer would 'print' what scientists are ... more 
Doctors and researchers at the University of Louisville are attempting to make a copy of a sick patient's heart by using the person's own fat cells. A 3-D printer would 'print' what scientists are calling a 'bioficial" heart. (April 9) less 
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Wed, Apr 9, 2014 1:22 AM EDT