The history of nitrous oxide anaesthesia.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D000776:Anesthesiology / Q000266:history*; D003814:Dentistry, Operative; D009609:Nitrous Oxide
D009609:Nitrous Oxide
ANESTHESIOLOGY/history; DENTISTRY, OPERATIVE/anesthesia and analgesia; NITROUS OXIDE/anesthesia and analgesia