title: Obstetric analgesia and placental insufficiency.
authors.forename: E H
authors.initials: EH
authors.lastname: SEWARD
mesh_terms: D016362:Analgesia, Obstetrical; D000758:Anesthesia; D000776:Anesthesiology; D001238:Asphyxia Neonatorum; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D010920:Placenta; D010927:Placental Insufficiency; D011247:Pregnancy