The first, and I think in the long run the one that will give us the biggest dividend, but it's not thought of that way just yet, is to think about those stem cells that are already in your brain, and I've told you that.
A primeira, creio que a longo prazo, aquela que dará os melhores resultados, ainda não considerada assim, é pensar nas células-tronco  que já existem no cérebro, e eu já lhes contei isso.