23 h 38 m, 11 jun 1830 año - Ignaz Semmelweis
Descripción:
Ignaz Semmelweis proved that childbed fever is transmitted by physicians while in hospitals. He began to use procedures such as washing hands after examinations in order to keep women safe.Añadido al timeline:
fecha:
23 h 38 m, 11 jun 1830 año
Ahora mismo
~ 195 years ago