Anesthesia for surgery is American discovery.
D000766:Anesthesia, Dental / Q000266:history*; D000769:Anesthesia, Inhalation / Q000266:history; D004986:Ether / Q000266:history*; D005019:Ethyl Ethers / Q000266:history*; D005845:Georgia; D049672:History, 19th Century; D006801:Humans
D005019:Ethyl Ethers; D004986:Ether