World Health Organization (WHO): http://www.who.int

Pan American Health Organization (PAHO): http://www.paho.org/

Centres for Disease Control and Prevention (CDC): http://www.cdc.gov/

U.S Food and Drug Administration (FDA): http://www.fda.gov/

European Agency for the Evaluation of Medicinal Products (EMEA): http://www.emea.europa.eu/

International Atomic Energy Agency: http://www.iaea.org/

United Nations Development Programme (UNDP): http://www.undp.org

Statistics of the Human Development Reports (UNDP): http://hdr.undp.org/en/statistics

United Nations Populations Fund (UNFPA): http://www.unfpa.org/swp/

WHO-Regional Office for the Eastern Mediterranean: http://www.emro.who.int/index.asp

WHO-Regional Office for the Western Pacific: http://www.wpro.who.int/

WHO-Regional Office for South-East Asia: http://www.searo.who.int/

WHO-Regional Office for Africa: http://www.afro.who.int/

WHO-Regional Office for Europe: http://www.euro.who.int/