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  First medical school est in Salerno, Italy
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  First measures towards public hygiene.
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  First dissection of the human corpse
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  FIrst recorded regulations for midwives
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  First study for human anatomy published
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  Blood first discribed by William Harvey
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  Bacteria was first discovered/indentified
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  Simple mircoscope was invented by Anton van Leeuwenhoek
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  First law requiring licensed medical practitioners
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  Obstetrics established as a separate branch of medicine
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  Discovered by Edward Jenner
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  first practical anesthetic, ether, introduced.
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  Tools such as microscope, thermometer and x-rays
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  Germ theory was introduced
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  Started by Clara Barton
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  Rabies vaccine discovered
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  Wilhelm Roentgen discovered x-ray
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  Major blood types such as O,A,B and AB were indentified
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  Isolated by Marie Curie
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  Discovered by Sir Alexander Fleming
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  Discovered by Jonas Salk
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  First birth control pill introduced
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  First successful heart transplant
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  Louise Brown born in England was the first test tube baby born
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  AIDS was first recognized by the Centers for Disease Control and Prevention.