A consideration of factors in the discovery of anesthesia and their effects on its development.
D000758:Anesthesia / Q000266:history*; D000769:Anesthesia, Inhalation / Q000266:history; D000776:Anesthesiology / Q000266:history*; D004992:Ethics, Medical; D049671:History, 18th Century; D049672:History, 19th Century; D012068:Religion and Medicine; D006113:United Kingdom; D014481:United States