1. Position statement on nursing and the Patient Self-Determination Act;American Nurses Association,1991
2. Assessing the values history of the elderly patient regarding critical and chronic care;Doukas,1988
3. A preliminary investigation of opinions and behaviors regarding advance directives for medical care;Elpern;American Journal of Critical Care,1993
4. Advance care planning as a process: Structuring the discussions in practice;Emanuel;Journal of the American Geriatrics Society,1995
5. Patients' and healthcare providers' opinions regarding advance directives;Haisfield;Oncology Nursing Forum,1994