1. Rhodes, L.J. (2002) Beyond Conflict of Interest: The Responsible Conduct of Research, Science and Engineering Ethics 8(3): 459–468.
2. The Belmont Report: Ethical Principles and Guidelines for the Protection of Human Subjects of Research. (1979) Department of Health, Education, and Welfare, Washington, D.C.
3. WMA Declaration of Helsinki, Washington (2002), available on the Internet: http://www.wma.net.
4. Additional Protocol to the Convention on Human Rights and Biomedicine concerning Biomedical Research (2005), Council of Europe, available on the Internet: http://www.coe.int/bioethics.
5. International Ethical Guidelines for Biomedical Research Involving Human Subjects, CIOMS (2002), Geneva.