1. American Bar Association. http://www.abanet.org/publiced/practical/patient_self_determination_act.html
2. Joint Commission for Accreditation of Health Care Organizations. http://www.jointcommission.org/NR/rdonlyres/05BE1259-0D36-4D68-8195-7A6A1506A573/0/hlc_new_req_stdIM620.pdf
3. Influencing advance directive completion rates in non-terminally ill patients;Patel;A systematic review,2004
4. When written advance directives are not enough;Kirschner;Clin Geriatr Med,2005
5. Advance directives;Maxfield;A guide for patient discussions,2003