title: Remifentanil patient-controlled analgesia for labour: a complete audit cycle.
authors.forename: M L
authors.initials: ML
authors.lastname: Allen
mesh_terms: D016362:Analgesia, Obstetrical; D016058:Analgesia, Patient-Controlled; D018686:Anesthetics, Intravenous / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D010880:Piperidines / Q000627:therapeutic use*; D011247:Pregnancy
chemical_list: D018686:Anesthetics, Intravenous; D010880:Piperidines