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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 янв 1860 г. - Germ Theory of Disease

Описание:

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

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ByF
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Дата:

1 янв 1860 г.
Сейчас
~ 165 г назад