title: Epidural anesthesia and instrumental vaginal delivery.
authors.forename: D H
authors.initials: DH
authors.lastname: Chestnut
mesh_terms: D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D005113:Extraction, Obstetrical; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy