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1 янв 1854 г. - Snow's Cholera Experiments

Описание:

Snow discovers that cholera bacteria were transmitted in drinking water by mapping sewer lines and comparing it to the location of outbreaks.

Добавлено на ленту времени:

14 дек 2018
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Дата:

1 янв 1854 г.
Сейчас
~ 170 г назад