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Smallpox vaccine
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Discovered a highly effective anesthetic via experimentation
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Germ Theory
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Antiseptic surgery using carbolic spray
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Tuberculosis germ identified
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Cholera is water-borne.
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Salvarsan 606 magic bullet
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The properties of penicillin
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Improved conditions in hospitals, training of nurses and the improvement of the care of patients.
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M&B 693
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1938-41/44 Penicillin as an antibiotic
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