Historical abstract: Gas inductions.
D000769:Anesthesia, Inhalation / Q000266:history* / Q000523:psychology; D018685:Anesthetics, Inhalation / Q000266:history*; D004986:Ether / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008093:Literature, Modern / Q000266:history*; D008297:Male; D008513:Medicine in Literature; D014481:United States
D018685:Anesthetics, Inhalation; D004986:Ether