The origins of anesthesia. Part V.
D000769:Anesthesia, Inhalation / Q000266:history*; D004986:Ether / Q000266:history*; D005019:Ethyl Ethers / Q000266:history*; D049672:History, 19th Century; D014481:United States
D005019:Ethyl Ethers; D004986:Ether