1. AAGBI: consent for anaesthesia 2017;Yentis;Anaesthesia,2017
2. Department for Health Reference Guide to Consent for Examination or Treatment 2nd edn https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/138296/dh_103653__1_.pdf
3. Department for Constitutional Affairs Mental Capacity Act 2005 Code of Practice https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/497253/Mental-capacity-act-code-of-practice.pdf