Adult stem cells are also problematic, as they are difficult to identify, purify and grow, and simply may not exist for certain diseased tissues that need to be replaced.
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Nationality: American Type: Politician Born: February 18, 1947 |
“If there is such a thing as good leadership, it is to give a good example. I have to do so for all the Ikea employees.”
“When I was 15, I did not know nothing about what concerned the world of music.”