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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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7 Jan 1840 Jahr - Ignaz Semmelweis
Beschreibung:
Advocated hand washing to prevent transmission of puerperal fever from one OB patient to another
Zugefügt zum Band der Zeit:
BIOL 203
By
Blessing
7 Sep 2017
0
0
752
Datum:
7 Jan 1840 Jahr
Jetzt
~ 185 years ago
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