1. Should physicians aid their patients in dying?;Blendon,1992
2. Deciding to Forego Life-Sustaining Treatment;President's,1983
3. Guidelines for the appropriate use of do-not-resuscitate orders;Council on Ethical and Judicial Affairs, American Medical Association;JAMA,1991
4. American College of Physicians Ethics Manual. Part 2: The physician and society; research; life-sustaining treatment; other issues;American College of Physicians Ethics Committee;Ann Intern Med.,1989
5. AGS Position Statement: medical treatment decisions concerning elderly persons;American Geriatrics Society Public Policy Committee,1987