1. WHO. The World Health Report 2008: primary health care – now more than ever. Geneva: World Health Organization; 2008. http://www.who.int/whr/2008/whr08_en.pdf [accessed 26 February 2009].
2. WHO. Investing in health research and development. Report of the Ad Hoc Committee on Health Research Relating to Future Intervention Options. Geneva: World Health Organization; 1996.
3. WHO. World health statistics 2008. Geneva: World Health Organization; 2008. http://www.who.int/whosis/whostat/EN_WHS08_Full.pdf [accessed 26 February 2009].
4. Ethics of healthcare research in developing countries;Zumla;J R Soc Med,2002
5. Human development report 2003;United Nations Development Program,2003