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17 magg 1955 anni - Vacuna del poliomelitis
Descrizione:
Fue desarrollada por Jonas Salk
Aggiunto al nastro di tempo:
La historia de la vacunacion
By
Charly Mania
16 nov 2017
1
0
520
Data:
17 magg 1955 anni
Adesso
~ 69 years ago
Immagini:
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