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10 h 14 min, 6 juin 1948 ans - Tos ferina: vacuna combinada con las del tétanos y la difteria

Description:

La primea vacuna DTP (difteria, tétanos y tos ferina) combinada estuvo disponible en Estados Unidos.

Ajouté au bande de temps:

EV3 MARTÍNEZ barranco sismai zabdiel

15 nov. 2017

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423

Date:

10 h 14 min, 6 juin 1948 ans

Maintenaint

~ Il y a 77 ans

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