1. Field MJ, Cassel CK, Eds: Approaching death: improving care at the end of life. Washington, DC: National Academy Press;. 1997
2. von Gunten CF, Ferris FD, Emanuel LL: Ensuring competency in end-of-life care: communication and relational skills. JAMA. 2000, 284 (23): 3051-3057. 10.1001/jama.284.23.3051.
3. Emanuel LL, von Gunten CF, Ferris FD, eds: The EPEC Curriculum: Education for Physicians on End-of-life Care. The EPEC Project. 2000, [ http://www.EPEC.net ]
4. Ingham JM, Portenoy RK: Symptom assessment. Hematology/Oncology Clinics of North America. 1996, 10 (1): 21-39.
5. Storey P, Knight CF: Unipac 3 assessment and treatment of pain in the terminally ill. Reston, VA: American Academy of Hospice and Palliative Medicine;. 1997, 7-18.