1. DoH (2001) Reference guide to consent for examination or treatment. Department of Health, London. http://www.dh.gov.uk/assetRoot/04/01/90/79/04019079.pdf
2. GMC (2008) Consent: ‘Patients and doctors making decision together’. General Medical Council, London. http://www.gmc-uk.org/guidance/ethical_guidance/consent_guidance/index.asp
3. BMA (2003) Consent toolkit, 2nd edn. British Medical Association, London. http://www.bma.org.uk/ap.nsf/Attachments - ByTitle/PDFconsenttk2/$FILE/toolkit.pdf
4. NHS (2007) Litigation authority factsheet 3. http://www.nhsla.com
5. Cassileth BR, Zupkie RV, Sutton-Smith K, March V (1980) Informed consent-why are its goals imperfectly realized? N Engl J Med 302:896–900