Placental transmission of nitrous oxide.
D000773:Anesthesia, Obstetrical; D002245:Carbon Dioxide; D002585:Cesarean Section; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008431:Maternal-Fetal Exchange; D009609:Nitrous Oxide / Q000097:blood*; D011247:Pregnancy; D013997:Time Factors; D014469:Umbilical Arteries; D014471:Umbilical Veins
D002245:Carbon Dioxide; D009609:Nitrous Oxide