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7 gen 1840 anni - Ignaz Semmelweis

Descrizione:

Advocated hand washing to prevent transmission of puerperal fever from one OB patient to another

Aggiunto al nastro di tempo:

BIOL 203

7 set 2017

0

0

750

Data:

7 gen 1840 anni

Adesso

~ 185 years ago

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