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5 h 28 m, 26 abr 1935 ano - Pruebas iniciales de la vacuna contra la poliomielitis

Descrição:

Ese año, dos equipos diferentes trabajaban en el desarrollo y las pruebas de una vacuna contra la poliomielitis. Ambos proyectos tuvieron un final desastroso.

Adicionado na linha do tempo:

EV3 MARTÍNEZ barranco sismai zabdiel

ByZabdiel
15 nov 2017

Data:

5 h 28 m, 26 abr 1935 ano
Agora
~ 89 years ago
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