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1 gen 1860 anni - Rene Laennec

Descrizione:

Rene Laennec invented the stethoscope in 1816.
He investigated sounds made by hearts and lungs. Diagnoses were supported by the observations made during autopsies.

Aggiunto al nastro di tempo:

Health

ByAlaina
11 set 2017

Data:

1 gen 1860 anni
Adesso
~ 164 years ago
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