The development of anesthesia.
D000766:Anesthesia, Dental / Q000266:history; D000776:Anesthesiology / Q000266:history*; D000777:Anesthetics / Q000266:history*; D005060:Europe; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D014481:United States
D000777:Anesthetics