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1 jan 1816 ano - Invention of the stethoscope

Descrição:

René Laennec invented the stethoscope in 1816. It was monaural and composed of a wooden tube. This invention meant physicians could now perform auscultation without direct physical contact with the patient.

Adicionado na linha do tempo:

History of Biotechnology

ByIsabella Santoni
18 jan 2018

Data:

1 jan 1816 ano
Agora
~ 208 years ago
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