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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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6 jan 1930 ano - an efficient vaccine, or toxoid, as it is known in the cases of tetanus and diphtheria was produced against tetanus.
Adicionado na linha do tempo:
2 out 2017
0
0
670
Engineering 2 9/29/17
Data:
6 jan 1930 ano
Agora
~ 94 years ago