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21 ottob 1946 anni - Guatamalan Study
Descrizione:
People were given syphilis to test the current treatment of the time. The study ended in 1948
Aggiunto al nastro di tempo:
14 dic 2018
1
0
458
Diseases that challenged the scientific community
Data:
21 ottob 1946 anni
Adesso
~ 77 years ago