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1 Jan 1962 Jahr - Joseph Sabin created live vaccine

Beschreibung:

replaces Salk killed vaccine

Zugefügt zum Band der Zeit:

B HLTH 224

ByKelly Stevens

13 Dez 2018

1

0

907

Datum:

1 Jan 1962 Jahr

Jetzt

~ 63 years ago

Abbildungen:

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