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1 ene 1860 año - Rene Laennec

Descripción:

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

Añadido al timeline:

Health

ByAlaina
11 sep 2017

fecha:

1 ene 1860 año
Ahora mismo
~ 164 years ago
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