Collis, R E Randomised comparison of combined spinal-epidural and standard epidural analgesia in labour. [electronic resource] - Lancet (London, England) Jun 1995 - 1413-6 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0140-6736 Standard No.: 10.1016/s0140-6736(95)92602-x doi Subjects--Topical Terms: Anesthesia, Epidural--methodsAnesthesia, Obstetrical--methodsAnesthesia, Spinal--methodsFemaleHumansLabor, ObstetricPain MeasurementPatient SatisfactionPregnancyProspective Studies