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Invented the microscope.
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Discovered the circulation of blood and the pumping of the heart.
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Invented bifocals and found that colds can be passed onto one another.
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Results of the smallpox were finally published.
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Invents the stethoscope.
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Uses ether as a general anesthetic.
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First women to qualify as a doctor in the U.S. Inspired Florence Nightingale to pursue nursing.
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First doctor to use antiseptic during surgery to prevent infection in the incision.
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Established the American Red Cross.
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Rabies vaccine was proved taht mircroorganisms caused disease.
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Chemistry Professor Otto Wichterle developed contact lenses.
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Discovered x-rays.
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Band-Aid is introduced.
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Discovers that lack of vitamin D in the diet causes rickets
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Discovery of penicillin.
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Invented the first cardiac pacemaker.
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Uses X-ray diffraction to study the structure of DNA
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DNA structure is formed.
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Oral polio vaccine was created.
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World's first heart transplant surgery.
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CAT-scans are invented.
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Oswald Avery's lab tried finding a vaccine and finally found one for pneumonia.
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Louise Brown was the first successful test tube baby born.
