Mayo Clinic puts stem cells to the test on infant heart defect

Every year, about 1,000 babies are born in the United States with half a heart - a rare defect that requires a series of risky surgeries and, even then, leaves the infants with a strong likelihood that their hearts will wear out prematurely.

http://bangordailynews.com/2013/06/20/health/mayo-clinic-puts-stem-cells-to-the-test-on-infant-heart-defect/