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31 dic 1815 año - Stethoscope

Descripción:

René Laënnec, a French physician, invented the stethoscope, a trumpet-shaped wooden tube, to examine an obese woman whose heart he could not hear by pressing his ear to her chest

Añadido al timeline:

Medical Technological Advancements

ByMashal Adamjee
23 oct 2019
0
0
204

fecha:

31 dic 1815 año
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~ 208 years ago
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