title: History of the development of painless surgery in Russia.
mesh_terms: D000758:Anesthesia / Q000266:history*; D004986:Ether / Q000266:history*; D005019:Ethyl Ethers / Q000266:history*; D013502:General Surgery / Q000266:history*; D049672:History, 19th Century; D012425:Russia (Pre-1917)
chemical_list: D005019:Ethyl Ethers; D004986:Ether