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500 ,

, 05 2018 . 22:41 +
 




500 , " ".
. , , .
  , , "must either hold a Ph.D. in a scientific field such as biology, chemistry, mathematics, engineering, computer science, or one of the other natural sciences; or they must hold an M.D. and serve as a professor of medicine."

- arhivar_rusarhivar_rus 
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