title: The early history of neurosurgical anesthesia.
mesh_terms: D000758:Anesthesia / Q000266:history*; D000770:Anesthesia, Endotracheal / Q000266:history / Q000295:instrumentation; D000769:Anesthesia, Inhalation / Q000266:history / Q000295:instrumentation; D000772:Anesthesia, Local / Q000266:history; D000776:Anesthesiology / Q000266:history; D002725:Chloroform; D003399:Craniotomy / Q000266:history; D005019:Ethyl Ethers; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009493:Neurosurgery / Q000266:history*; D009726:Nurses / Q000706:statistics & numerical data; D006113:United Kingdom; D014481:United States; D000078329:Workforce
chemical_list: D005019:Ethyl Ethers; D002725:Chloroform