Nitrous oxide and oxygen as a safe anaesthetic in oral operations during pregnancy.
D000758:Anesthesia; D000777:Anesthetics; D005260:Female; D006801:Humans; D009609:Nitrous Oxide; D010100:Oxygen; D011247:Pregnancy; D013515:Surgery, Oral
D000777:Anesthetics; D009609:Nitrous Oxide; D010100:Oxygen
ANESTHESIA/nitrous oxide; PREGNANCY/surgery during