The stethoscope was invented by a doctor too embar... ...acing his ear over the chest.In 1816, René Laennec , a physician and devout Catholic, was called to e... .... According to the medical procedure of the time, Laennec tapped his hand on the patient's back and tried t... ...n the young woman's ampl...https://www.neatorama.com/2010/02/07/how-the-stethoscope-was-invented/
How The Stethoscope Was Invented...
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