@CNN: Monkeys given human embryonic stem cells following heart attacks regained some of the pumping ability their hearts had lost, a new study finds https://t.co/avfPJNtb4I https://t.co/k5DJpN7erz

@CNN: Monkeys given human embryonic stem cells following heart attacks regained some of the pumping ability their hearts had lost, a new study finds https://t.co/avfPJNtb4I https://t.co/k5DJpN7erz