Nitrous oxide-oxygen trichlorethylene for obstetrical anesthesia.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D000773:Anesthesia, Obstetrical; D006801:Humans; D009609:Nitrous Oxide; D010100:Oxygen; D059408:Pain Management; D014241:Trichloroethylene
D014241:Trichloroethylene; D009609:Nitrous Oxide; D010100:Oxygen
TRICHLOROETHYLENE/anesthesia and analgesia