Building a solid organ like the liver in the lab is different and harder than with an organ like the bladder because solid organs are very vascular. — Anthony Atala Copy Share Image
We don't have enough solid organs for transplantation; not enough kidneys, livers, hearts, lungs. When you get a liver and you have three people who need it, who should get it? We tried to come up with an ethically defensible… — Ezekiel Emanuel Copy Share Image
