1. Beauchamp, T. L. and Childress, J. F.(2001) Principles of Biomedical Ethics 5th. New York : Oxford University Press.
2. Calhoun, J. C.(1992) A disquisition on government. In Union and Liberty: The Political Philosophy of John C. Calhoun. ( pp. 5 - 78 ). Indianapolis : Liberty Fund.
3. Editors. (2004) Health and poverty Wall Street Journal, pp. A12. [CSA]
4. Engelhardt, H. T., Jr.(1996) The Foundations of Bioethics 2nd. New York : Oxford University Press.
5. Engelhardt, H. T., Jr. (2002) Consensus formation: The creation of an ideology Cambridge Quarterly of Healthcare Ethics, 11(1), pp. 7 - 16. [PUBMED][INFOTRIEVE][CSA][CROSSREF]