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dec 31, 1941 - Concepción positiva de la Salud
Description:
Después de Henry E. Sigeris y antes de la definición de la OMS, al fin y al cabo ambos tienen relación.
Added to timeline:
Trabajo y Salud
By
Jocar Pérez
27 Nov 2018
0
0
551
Date:
dec 31, 1941
Now
~ 84 years ago
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