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21 apr 1957 anni - 1957 Dr. Manuel Paynó promueve y representa a México en el primer congreso Panamericano de Gerontología en la Ciudad de México.
Aggiunto al nastro di tempo:
Historia de la Geriatría
By
Miguel Rodríguez
21 gen 2018
1
0
962
Data:
21 apr 1957 anni
Adesso
~ 68 years ago
Immagini:
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