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31 dez 1923 ano - En Europa con excepción de Inglaterra, los conocimientos psicológicos relativos al proceso de envejecimiento en este período proceden de psiquiatras e investigaciones aisladas en Alemania.

Adicionado na linha do tempo:

Genesis Rojas

ByGenesis Rojas
4 out 2018

Data:

31 dez 1923 ano
Agora
~ 100 years ago
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