title: Intravenous anesthesia--history, currency, prospects.
mesh_terms: D000698:Analgesia; D000771:Anesthesia, Intravenous / Q000266:history* / Q000295:instrumentation; D000777:Anesthetics; D001463:Barbiturates; D004739:England; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009020:Morphine; D009458:Neuroleptanalgesia; D014481:United States
chemical_list: D000777:Anesthetics; D001463:Barbiturates; D009020:Morphine