Epidural analgesia in labor--why not? The patient's point of view.
D000767:Anesthesia, Epidural; D000769:Anesthesia, Inhalation; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D008614:Meperidine; D009609:Nitrous Oxide; D010100:Oxygen; D011247:Pregnancy
D008614:Meperidine; D009609:Nitrous Oxide; D010100:Oxygen