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jul 1, 1918 - Comienzo de la Investigación sistemática del envejecimiento

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caracterizado por ciertos estudios experimentales , utilizando test psicológicos, relativos a la inteligencia, rendimiento, psicomotricidad y la capacidad de reacción

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La Vejez

ByAngelica
6 Oct 2018
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Date:

jul 1, 1918
Now
~ 107 years ago
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