The effect of maternal hypoxia on the heart rate of the foetus in utero.
D000773:Anesthesia, Obstetrical; D005260:Female; D005318:Fetal Heart; D006339:Heart Rate; D006801:Humans; D000860:Hypoxia; D009609:Nitrous Oxide / Q000494:pharmacology; D010100:Oxygen / Q000494:pharmacology; D011247:Pregnancy
D009609:Nitrous Oxide; D010100:Oxygen