Clinical and mechanical evaluation of an A.E. gas machine for obstetric analgesia and anesthesia.
D000769:Anesthesia, Inhalation; D000773:Anesthesia, Obstetrical; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D009609:Nitrous Oxide; D010100:Oxygen; D011247:Pregnancy; D012122:Ventilators, Mechanical / Q000592:standards*
D009609:Nitrous Oxide; D010100:Oxygen