Analgesic supplements to nitrous oxide anaesthesia; a review.
D000698:Analgesia; D000700:Analgesics; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D000776:Anesthesiology; D009609:Nitrous Oxide; D059408:Pain Management
D000700:Analgesics; D009609:Nitrous Oxide
NITROUS OXIDE/anesthesia and analgesia