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6 dic 1856 anni - Daniel Danielssen

Descrizione:

Daniel Danielssen injected himself with leprous material he retrieved from his patients in order to prove his notion that the disease was an inherited disorder. He and along with his assistants that were also injected did not get leprosy, thus refuting his notion

Aggiunto al nastro di tempo:

Data:

6 dic 1856 anni
Adesso
~ 168 years ago