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René-Théophile-Hyacinthe Laennec (; 17 February 1781 - 13 August 1826) was a French medical doctor and musician. His skill at carving his own wooden flutes led him to invent the stethoscope in 1816, while working at the Hôpital Necker. He pioneered its use in diagnosing various chest conditions.He became a lecturer at the italic= in

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