33
/es/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
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8 ene 1847 año - Semmelweis
Descripción:
He demonstrated hand washing as an effective method to loweing puerperal infection
Añadido al timeline:
Diseases
By
Kristina Mangaliag
13 dic 2018
0
0
652
fecha:
8 ene 1847 año
Ahora mismo
~ 178 years ago
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