1. Ethics at the end of life: practical principles for making resuscitation decisions;Perkins;J Geriatr Intern Med,1986
2. President's Commission for the Study of Ethical Problems in Medicine and Biomedical and Behavioral Research. Deciding to forego life-sustaining treatment: ethical, medical, and legal issues in treatment decisions. Washington, DC: US Government Printing Office, 1983; 13-117
3. Ethics and communication in do-notresuscitate orders;Tomlinson;N Engl J Med,1988
4. Allowing the debilitated to die—facing our ethical choices;Hilfiker;N Engl J Med,1983
5. Ethical decisions in discontinuing mechanical ventilation;Schneiderman;N Engl J Med,1988