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19 дек 1862 г. - Germ Theory

Описание:

Alexander Yerson takes diseased sailor bubos and looks under microscope and puts it into guinea pig; it dies, finds cause

Добавлено на ленту времени:

Diseases and Discoveries Related That Have Impacted Recorded Human History

ByTommy Chhoeum

14 дек 2018

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923

Дата:

19 дек 1862 г.

Сейчас

~ 162 г назад

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