FloraHFydrichcTTurkdDC. Efficacy of multidisciplinary pain treatment centres: a meta-analytic review. Pain1999; 49: 221–230.
2.
General Medical Council. Consent: patients and doctors making decisions together. London: GMC, 2008.
3.
National Institute of Health and Clinical Excellence. Spinal cord stimulation for chronic pain of neuropathic or ischemic origin. NICE technology appraisal guidance 159. 2008. Available at: http://guidance.nice.org.uk/TA159/Guidance/pdf/English (accessed 16 November 2011).