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8 янв 1847 г. - Semmelweis
Описание:
He demonstrated hand washing as an effective method to loweing puerperal infection
Добавлено на ленту времени:
Diseases
By
Kristina Mangaliag
13 дек 2018
0
0
652
Дата:
8 янв 1847 г.
Сейчас
~ 178 г назад
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