1. Ethics Charter: American Academy of Pain Medicine, 2004, 7-24-2005
2. American Nurses Association: Code of Ethics: American Nurses Association, 2005, 7-26-05
3. Principles of Biomedical Ethics;Beauchamp,2001
4. Guideline for the Management of Acute and Chronic Pain in Sickle-Cell Disease;Benjamin,1999
5. Race, ethnicity, and pain treatment;Bonham;J Law Med Ethics,2001