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1 Jan 1860 Jahr - Rene Laennec

Beschreibung:

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

Zugefügt zum Band der Zeit:

Health

ByAlaina
11 Sep 2017

Datum:

1 Jan 1860 Jahr
Jetzt
~ 164 years ago
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