In the era of Raynor sung, 1990. 1600 man named William HA) way to explain blood circulation for the first time. The development of the microscope up late.By the Dutch scientists, Tony Lee van hook, it can study the microorganisms, ed word Jenner. Can use the abscess from a cow to be smallpox vaccine is the introduction of immune diseases.The theory that 19 Microorganisms cause disease, etc. in the established by Louis Pasteur and Robert Kush, the surgery without infection using Joseph lees. Carry on besides clean and without microorganism. 1999.Professor 1840 dentist named William, Morton has shown the value of Ether anesthesia features which can help to make the operation easier and reduce exposure to anesthetic utilizing traditional down in 1999.A few 1898 wife the CI Discover the radioactivity of the ธาตุเรเดียม. Which has been used to treat cancer and other diseases. Next
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