1. Amnesty International. Death sentences and executions 2014. http://www.amnestyusa.org/pdfs/DeathSentencesAndExecutions2014_EN.pdf. Accessed November 6 2015.
2. Death Penalty Information Center. States with and without the death penalty. http://www.deathpenaltyinfo.org/states-and-without-death-penalty. Accessed October 30 2015.
3. American Medical Association. AMA Council on Ethical and Judicial Affairs. Opinion 2.06 - Capital Punishment. www.ama-assn.org/ama/pub/physician-resources/medical-ethics/code-medical-ethics/opinion206.page. Accessed October 30 2015.
4. American Psychiatric Association. The Principles of Medical Ethics with Annotations Especially Applicable to Psychiatry ; 2013. http://www.psychiatry.org/psychiatrists/practice/ethics. Accessed October 30 2015.
5. Exploring ethical, legal, and professional issues with the mentally ill on death row;Plichta JE;J Forensic Nurs,2008