Nitrous oxide, hypoxia and the anaesthetic state.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D000777:Anesthetics; D000860:Hypoxia; D009609:Nitrous Oxide; D010100:Oxygen
D000777:Anesthetics; D009609:Nitrous Oxide; D010100:Oxygen
NITROUS OXIDE/anesthesia and analgesia; OXYGEN