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1 St. 23 Min, 1 Sept 1847 Jahr - Ignaz Semmelwis Discovery

Beschreibung:

-Discovered that hand washing reduces infection

Zugefügt zum Band der Zeit:

Disease Timeline

ByKim Nguyen
14 Dez 2018

Datum:

1 St. 23 Min, 1 Sept 1847 Jahr
Jetzt
~ 176 years ago
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