title: A history of nitrous oxide and oxygen anaesthesia. IA. The discovery of nitrous oxide and of oxygen.
mesh_terms: D000769:Anesthesia, Inhalation / Q000266:history*; D000776:Anesthesiology / Q000266:history*; D002621:Chemistry / Q000266:history; D004739:England; D049671:History, 18th Century; D009609:Nitrous Oxide / Q000266:history*; D010100:Oxygen / Q000266:history*
chemical_list: D009609:Nitrous Oxide; D010100:Oxygen