30
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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29 abr 1952 ano - The first inactivated polio vaccine
Descrição:
Developed in 1952 by Jonah Salk
Adicionado na linha do tempo:
Global Health History
By
Shannon
20 out 2018
0
0
378
Data:
29 abr 1952 ano
Agora
~ 72 years ago
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