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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 juill. 1879 - Steptococcus pyogens identified 1879, antibiotic in 1930s

Description:

First antibiotic

Ajouté au bande de temps:

B HLTH 224

ByJohnny
14 déc. 2018
1
0
522

Date:

20 juill. 1879
Maintenaint
~ Il y a 146 ans
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