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founded monastic medicine
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Discovered the difference between small pox and measles
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he was the first to perform a successful eye surgery
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founded
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created to treat myopia
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discovered the epidemic diseases are caused by transferable entities
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described venous valves
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founded
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explained the circulatory system
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gave the first smallpox inoculations
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discovered that the juice of citrus fruits prevent scurvy
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invented the stethoscope
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performed the first human combined heart-lung transplant
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performed the first full face transplant
