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The German Doctor Hans Dergen discovered human electroencephalography, which made him the first person to record brain waves

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Electron microscope was invented by Germans, Max Knoy and Ernst Ruska together

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Willem Kolff built the worlds first dialysis machine

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Richard Doy was the first to link smoking to lung cancer

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Joseph Murry did the first human kidney transplant

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James Hady carried out the first lung transplant

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cochlear implant was invented by Graeme Clark

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Medical ultrasounds was a normal diagnostics in medicine first used by Dr.George Ludwig

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MRI was being used inmost places but it was invented in 1945 by Raymand Damadian

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HIV the virus that causes AIDS was identified

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Alec Jefferey devise a genetic fingerprinting method.

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Williem J. Kloff invented the artificiality kidney dialysis machine

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Thrombolytic treatment was first used to unclog veins of heart patients

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First vaccine developed for hematite A

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First vaccine to target a cause of cancer