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1 Jul 1918 Jahr - Comienzo de la Investigación sistemática del envejecimiento

Beschreibung:

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

Zugefügt zum Band der Zeit:

La Vejez

ByAngelica
6 Okt 2018

Datum:

1 Jul 1918 Jahr
Jetzt
~ 105 years ago
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