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In 1799, who discovered nitrous oxide, that made patients insensible to pain, the first true anaesthetic?

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posted Aug 24, 2016 by Sandeep Otari

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Nitrous oxide was discovered by the English chemist Joseph Priestley in 1772; another English chemist, Humphry Davy, later(1799) named it and showed its physiological effect

answer Aug 29, 2016 by Shahsikant Dwivedi
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