1. WHO (2012) Health topics/Essential medicines. Available: http://www.who.int/topics/essential_medicines/en/Accessed 2012 Dec 2.
2. UN, Universal declaration of human rights, article 25: “(1) everyone has the right to a standard of living adequate for the health and well-being of himself and of his family, including food, clothing, housing and medical care…”. Available: http://www.un.org/en/documents/udhr/index.shtml#a25. Accessed 2012 Dec 2.
3. UN, Millennium development goals, MDG8: Develop a global partnership for development, Target8E: “In cooperation with pharmaceutical companies, provide access to affordable essential medicines in developing countries”. Available: http://www.un.org/millenniumgoals/global.shtml. Accessed 2012 Dec 2.
4. WHO (2012) 20 ways the world health organization helps countries reach the millennium development goals. Available: http://who.int/topics/millennium_development_goals/20ways_mdgs_20100517_en.pdf. Accessed 2012 Dec 2.
5. van den Ham R, Bero L, Laing R (2011) The worlds medicines situation 2011, selection of essential medicines. Available: http://apps.who.int/medicinedocs/documents/s18770en/s18770en.pdf. Accessed 2012 Dec 2.