Dr Laennec of France has invented the stethoscope in 1816.
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Rene Theophile Hyacinthe Laënnec
Rene Theophile Hyacinthe Laënnec (1781–1826) was a French physician who, in 1816, invented the stethoscope. Using this new instrument, he investigated the sounds made by the heart and lungs and determined that his diagnoses were supported by the observations made during autopsies.
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