1. Initiating and withdrawing life support: Principles and practice in adult medicine;Ruark;N Engl J Med 1988;,1988
2. President's Commission for the Study of Ethical Problems in Medicine and Biomedical and Behavioral Research. Deciding to forego life-sustaining treatment. Washington, D.C.: US Government Printing Office, 1983
3. TE, Perkins PL, Raffin TA, and the Stanford University Medical Center Committee on Ethics. Special Report: Animal research at Stanford University: Principles, policies, and practices;Thomas;N Engl J Med,1988
4. Special Report: The Ethical Use of Human Fetal Tissue in Medicine;Greeley;N Engl J Med,1989
5. Raffin TA, Shurkin J, Sinkler WS. Intensive care: Facing the critical choices. New York: W.H. Freeman & Company, 1988.