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16 marzo 1931 anni - Tuskee study

Descrizione:

Two mens started study follow untreated african american to gather prelinary data
they followed up with the study told them they were treateed

Aggiunto al nastro di tempo:

new disease

14 dic 2018

1

0

550

Data:

16 marzo 1931 anni

Adesso

~ 94 years ago

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