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René Leanne invented the Stethoscope
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James Blundell performed the first successful blood transfusion
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The first printing of the U.S. Pharmacopeia
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Pierre Joseph Pelletier and Joseph Bienaimé Caventou first isolated Quinine from the quinquina trees bark
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Charles Henri Leroux first isolated the “miracle” drug Salicylic acid, or proto-aspirin
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Oliver Wendell Holmes found the cause of puerperal fever
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Horace Wells first demonstrated nitrous oxide as an anesthetic
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John Hughes Bennet first described leukemia as a blood disorder
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Charles Babbage first devised the ophthalmoscope
