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5 nov 1931 ano - John Cutler

Descrição:

These two men began a study following African American men in the US to find a treatment for syhilis

Adicionado na linha do tempo:

The History of Infectious Diseases

14 dez 2018

1

0

1006

Data:

5 nov 1931 ano

Agora

~ 94 years ago

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