title: Obstetric epidural analgesia and the role of the professional registered nurse.
mesh_terms: D015360:Analgesia, Epidural / Q000009:adverse effects / Q000451:nursing*; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009773:Obstetric Nursing; D010146:Pain; D011247:Pregnancy