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 is no original sin. You don't have to pay repentance to anything or anybody.”
“It has been common knowledge to informed collectors that many times the finest and rarest art glass is found unsigned.”