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26 magg 1847 anni - Semmelweis Germ Theory

Descrizione:

Semmelweis germ theory was introduced when Semmelweis saw a connection between puerperal fever and disinfected hands of the hospital staff.

Aggiunto al nastro di tempo:

14 dic 2018
1
0
451

Data:

26 magg 1847 anni
Adesso
~ 178 years ago