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  Alcmaeon of croton distinguished the first vein from the arteries.
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  Shushruta Samhita was the first surgeon to preform plastic surgical operations.
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  In 820 the benedictine hospital was founded and the school of Salerno would grow around it.
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  Discovered the difference between measles and chickpox
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  Writes the book of healing and Canon of Medicine
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  concave lens spectacles to treat myopia developed in Italy.
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  Concave lens spectacles to treat myopia developed in Italy.
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  The college of physicians was founded now know as Royal College of Physicians of London
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  He described the circulation of blood through the lungs in detail.
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  Ambroise Pare invented the treatment of gunshot wounds.
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  He discovered the anesthetic of nitrous oxide
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  Invented the stethoscope
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  The first painless surgery took place with general anesthetic
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  The first vaccine for rabies was developed.
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  He discovered the medical use of x-rays in medical imaging
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  Identifies the first case which is known as Alzheimer disease
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  The first vaccine for Tuberculosis was given.
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  The first implant of intraocular lens by , Sir Harold Ridley
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  performs the first human kidney transplant (on identical twins)
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  Performs the first human lung transplant