1. Cohen, J. (2003) AAMC President’s Address 2003: Our Quest for Meaning. AAMC’s 114th Annual Meeting, Washington DC.
2. Pharmaceutical Manufacturers of America (PhRMA) (2004) Pharmaceutical Industry Profile 2004. PhRMA, Washington, DC.
3. Annas, G.J. and Grodin, M.A. The Nazi Doctors and the Nuremberg Code. Oxford University Press, New York.
4. National Bioethics Advisory Commission (2001) Ethical and Policy Issues in Research Involving Human Participants. US Governmental Printing Office, Washington DC.
5. Beecher, H.K. (1966) Ethics and clinical research. New England Journal of Medicine 274^(24): 1354–1360.