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1 gen 1860 anni - Germ Theory of Disease

Descrizione:

With recognition of germs, theory was born to introduce the ideology behind germs and contagion.

Aggiunto al nastro di tempo:

A Line in Time

ByF

11 mesi fa

2

0

578

Data:

1 gen 1860 anni

Adesso

~ 165 years ago

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