1. Principles of biomedical ethics;Beauchamp,2009
2. Advance decisions and proxy decision-making in medical treatment and research: guidance from the BMA's Medical Ethics Department;British Medical Association,2007
3. The Mental Capacity Act 2005 (England and Wales) http://www.legislation.gov.uk/ukpga/2005/9/section/1 (accessed 9 Aug 2015).
4. Mental capacity, legal competence and consent to treatment;Buchanan;J R Soc Med,2004
5. The impact of advance care planning on end of life care in elderly patients: randomised control trial;Detering;BMJ,2010