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dec 31, 1923 - 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.

Added to timeline:

Genesis Rojas

ByGenesis Rojas
4 Oct 2018

Date:

dec 31, 1923
Now
~ 100 years ago
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