L-Methorphinan as a supplement to nitrous oxide and oxygen anaesthesia.
D000700:Analgesics / Q000627:therapeutic use*; D000758:Anesthesia; D000769:Anesthesia, Inhalation; D000776:Anesthesiology; D006801:Humans; D009609:Nitrous Oxide; D010100:Oxygen
D000700:Analgesics; D009609:Nitrous Oxide; D010100:Oxygen
ANALGESICS/therapeutic use; ANESTHESIA, INHALATION; NITROUS OXIDE