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5 nov 1931 - John Cutler

Description:

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

Ajouté au bande de temps:

The History of Infectious Diseases

14 déc. 2018

1

0

1001

Date:

5 nov 1931

Maintenaint

~ Il y a 94 ans

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