1. Ibid.
2. Ibid.
3. Family Health International (FHI). 2002.Section 3 - Responsible Conduct of Research: Summary - Informed Consent.Research Triangle Park, NC: FHI. Available at: http://www.fhi.org/training/en/Retc/s3pg17.htm [Accessed 7 Sept 2006]; Council of International Organizations of Medical Sciences (CIOMS). 2002.International Ethical Guidelines for Biomedical Research Involving Human Subjects. Geneva: CIOMS in collaboration with the World Health Organization (WHO). Available at: http://www.cioms.ch/frame_guidelines_nov_2002.htm [Accessed 28 July 2006].
4. World Medical Association (WMA). 1964.Declaration of Helsinki.As amended by the WMA 52ndGeneral Assembly, Edinburgh, Scotland, 2000. Ferney-Voltaire: WMA. Available at: http://www.wma.net/e/policy/b3.htm [Accessed 1 Feb 2006].