Anaesthesia: some early authors.
D000769:Anesthesia, Inhalation / Q000266:history / Q000295:instrumentation; D000773:Anesthesia, Obstetrical / Q000266:history; D000776:Anesthesiology / Q000266:history*; D002725:Chloroform / Q000266:history; D004739:England; D004986:Ether / Q000266:history; D049672:History, 19th Century; D007494:Ireland
D004986:Ether; D002725:Chloroform