Current concepts of obstetric anesthesia and analgesia.
D000698:Analgesia / Q000379:methods; D000767:Anesthesia, Epidural / Q000379:methods; D000768:Anesthesia, General / Q000379:methods; D000773:Anesthesia, Obstetrical / Q000379:methods*; D005260:Female; D006801:Humans; D009407:Nerve Block / Q000379:methods; D010146:Pain; D011247:Pregnancy