Ignaz Semmelweis Introduces Handwashing (1 janv. 1847 – 1 janv. 2094)
Description:
Semmelweis discovered hand washing with chlorinated lime solutions highly reduced infection rates in obstetrical clinics.Ajouté au bande de temps:
Date:
1 janv. 1847
1 janv. 2094
~ 247 years