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dissects body
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discovered blood cells
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invents the stethoscope
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First woman to qualify as a doctor in the U.S. Inspired Florence Nightangale to pursue nursing.
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identifies germs as cause of disease
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Founded the American Red Cross
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develops aspirin
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Isolated radium
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Insulin first used to treat diabetes
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Discovered penicillin
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Developed polio vaccine
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Performed first heart surgery.
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performs first heart transplant
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invented CAT scans
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first test tube baby
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invented the artificial kidney dialysis machine
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