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1 Jan 1847 Jahr - Semmelweis

Beschreibung:

Ignaz Semmelweis demonstrates that washing hands is associated with a decrease in Puerperal fever infections.

Zugefügt zum Band der Zeit:

History of Pathogens

14 Dez 2018

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529

Datum:

1 Jan 1847 Jahr

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~ 178 years ago

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