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2 juin 1898 - Paul-Louis Simond

Description:

Proved that fleas were transmitting Y. Pestis

Ajouté au bande de temps:

B HLTH 224

ByKelly Stevens
13 déc. 2018
1
0
908

Date:

2 juin 1898
Maintenaint
~ Il y a 127 ans

Les images:

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