Hasbrouck's advertising "proposal" for "use of nitrous oxide".
D000769:Anesthesia, Inhalation / Q000266:history*; D000776:Anesthesiology / Q000266:history*; D002359:Cartoons as Topic / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D009609:Nitrous Oxide / Q000266:history*; D014481:United States
D009609:Nitrous Oxide