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19 Dez 1862 Jahr - Germ Theory

Beschreibung:

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

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Diseases and Discoveries Related That Have Impacted Recorded Human History

ByTommy Chhoeum

14 Dez 2018

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923

Datum:

19 Dez 1862 Jahr

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~ 162 years ago

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