1. An unconscious patient with a DNR tattoo;Holt;N Engl J Med,2017
2. Principles of medical ethics;Iserson,2015
3. Withholding and withdrawing medical treatment: an emergency medicine perspective;Iserson;Ann Emerg Med,1996
4. The “no code” tattoo—an ethical dilemma;Iserson;West J Med,1992
5. Nonstandard advance directives: a pseudoethical dilemma;Iserson;J Trauma,1998