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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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12 apr 1955 anni - Jonas Salk crea la vacuna contra la poliomielitis
Aggiunto al nastro di tempo:
Linea del tiempo para la vacunación contra Entamoeba histolytica
By
Derek Elizondo
16 apr 2021
0
0
295
Data:
12 apr 1955 anni
Adesso
~ 70 years ago
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