168 years ago,
Today in 1844 was the first time nitrous oxide was used as an anesthetic when dentist Horace Wells used it to perform an extraction.
Posted on December 11, 2012, in history. Bookmark the permalink. Leave a comment.
Today in 1844 was the first time nitrous oxide was used as an anesthetic when dentist Horace Wells used it to perform an extraction.
Posted on December 11, 2012, in history. Bookmark the permalink. Leave a comment.
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