First wartime use of surgical anesthesia.
D000758:Anesthesia / Q000266:history*; D004986:Ether / Q000266:history*; D005019:Ethyl Ethers / Q000266:history*; D049672:History, 19th Century; D008887:Military Medicine / Q000266:history*; D012425:Russia (Pre-1917)
D005019:Ethyl Ethers; D004986:Ether