We know that in 2001 it was believed 78 stem cell lines existed. But now we know there are only 22 that are viable, and they have been contaminated with mouse stem cells.
 |
Nationality: American Type: Politician Born: July 10, 1958 |
“So I think that if I do feel more freedom right now in my career, it's not so much because I have less at stake but more a sense that I've learned more.”