title: Lizzie's Laughing Gas Request on a Dam Family Postcard.
mesh_terms: D018685:Anesthetics, Inhalation / Q000266:history; D015709:Correspondence as Topic / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D009609:Nitrous Oxide / Q000266:history*; D014081:Tooth Extraction / Q000266:history*
chemical_list: D018685:Anesthetics, Inhalation; D009609:Nitrous Oxide