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Zacharias Jansen with his father created the first
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Edward Jenner created the firdt vaccination in the western world
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the German ophthalmologist A.E. Fick created contact lenses
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Pencillen was the first antibiotic created by Alexander Fleming.
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1933 was when the begginngs of artficial blood started, but was actually proven in 1967,by american scientitis Henry A. Solviter
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Dr. Ruzicka created in steriods in the early 1930's
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the Dutchman Willem Kolff made the first artificial kidney
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In 1946, Blaise Pascal made a syringe for scientific use