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5 ore 28 min, 26 apr 1935 anni - Pruebas iniciales de la vacuna contra la poliomielitis

Descrizione:

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

Aggiunto al nastro di tempo:

EV3 MARTÍNEZ barranco sismai zabdiel

ByZabdiel
15 nov 2017

Data:

5 ore 28 min, 26 apr 1935 anni
Adesso
~ 89 years ago
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