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1 ene 2009 año - 2009- Obama

Descripción:

President Obama lifts the restrictions on funding human embryonic stem cell research that was put in force by Bush in 2001.

Añadido al timeline:

The Evolution of Stem Cell Research

ByMacKenzie Holley

22 sep 2017

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0

613

fecha:

1 ene 2009 año

Ahora mismo

~ 16 years ago

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