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26 mai 1847 - Semmelweis Germ Theory

Description:

Semmelweis germ theory was introduced when Semmelweis saw a connection between puerperal fever and disinfected hands of the hospital staff.

Ajouté au bande de temps:

14 déc. 2018
1
0
451

Date:

26 mai 1847
Maintenaint
~ Il y a 178 ans