A study of maternal acid-base state during labour.
D000136:Acid-Base Equilibrium; D000328:Adult; D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007743:Labor, Obstetric; D008614:Meperidine; D009020:Morphine; D009609:Nitrous Oxide / Q000008:administration & dosage; D010100:Oxygen / Q000008:administration & dosage; D011247:Pregnancy
D002245:Carbon Dioxide; D009020:Morphine; D008614:Meperidine; D009609:Nitrous Oxide; D010100:Oxygen