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1 gen 1890 anni - Koch discovers tuberculin

Descrizione:

not and effective treatment, but ended up being a good for diagnosis (pictured: tuberculin skin test still used today to determine if a person is exposed to TB)

Aggiunto al nastro di tempo:

From A to Zika: Diseases and Medical Advancements Through Time

ByClaire
14 dic 2018
1
0
1210

Data:

1 gen 1890 anni
Adesso
~ 135 years ago

Immagini:

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