What Does a Pig-to-Human Heart Transplant Mean for Medicine?

"I think even just a couple of years ago, people felt that xenotransplantation for the heart and other organs was still a long way off. And it seems like it's started to move very quickly," ACCORDS Larry A. Allen, MD, MHS, University of Colorado School of Medicine, Aurora, told theheart.org | Medscape Cardiology.