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Built the first general hospital in Baghdad
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235 million people died in total due to this disease that caused them to have painful swelling in the lymph nodes and other symptons, There was no treatment.
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Cured a leg infection without amputation.
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Identified the difference between arteries and veins.
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founded modern nursing
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discovered x-rays and first nobel prize in physics
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First to introduce antiseptic surgery.
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Introduced the system to classify blood into A, B, AB, and O groups.
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First man to receive a genital transplant