title: Subarachnoid block as an adjunct to extradural anaesthesia.
authors.forename: J M
authors.initials: JM
authors.lastname: Rutter
authors.forename: G
authors.initials: G
authors.lastname: Lyons
mesh_terms: D000767:Anesthesia, Epidural / Q000379:methods*; D000773:Anesthesia, Obstetrical / Q000379:methods*; D000775:Anesthesia, Spinal / Q000379:methods*; D002585:Cesarean Section; D005260:Female; D006801:Humans; D011247:Pregnancy