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 |
“There are a lot of things that go into creating success. I don't like to do just the things I like to do. I like to do things that cause the company to succeed. I don't spend a lot of time doing my favorite activities.”