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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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7 jun 1963 año aC - Alberto Sabin
Descripción:
created an oral route vaccine for polio and it got licensed
Añadido al timeline:
new disease
By
Tassya
14 dic 2018
1
0
418
fecha:
7 jun 1963 año aC
Ahora mismo
~ 3990 years ago
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