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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1854 anni - John Snow publica un estudio sobre el cólera que demuestra la relación entre la contaminación del agua y la propagación de la enfermedad.
Aggiunto al nastro di tempo:
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By
Luis Beltran
20 feb 2024
0
0
179
Data:
1 gen 1854 anni
Adesso
~ 171 years ago
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