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7 янв 1840 г. - Ignaz Semmelweis

Описание:

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

Добавлено на ленту времени:

BIOL 203

7 сен 2017

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0

752

Дата:

7 янв 1840 г.

Сейчас

~ 185 г назад

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