During an infusion, stem cells enter the body through a vein leading back to the heart.

VOA: special.2011.02.01

But he also gave me a heart, so I would look back."

VOA: special.2010.07.05

As he was dying of tuberculosis at the age of 39, he asked that his heart be removed and taken back to his homeland.

VOA: standard.2010.03.04

"The idea of rolling back the state is really at the heart of the Cameron agenda."

VOA: standard.2010.05.13