title: Speed of onset of regional analgesia in labour: a comparison of the epidural and spinal routes.
authors.forename: N H
authors.initials: NH
authors.lastname: Kay
mesh_terms: D015360:Analgesia, Epidural / Q000379:methods*; D016362:Analgesia, Obstetrical / Q000379:methods*; D005260:Female; D006801:Humans; D007278:Injections, Spinal; D011247:Pregnancy