1. Globocan (2012)
http://globocan.iarc.fr/Default.aspx
. Accessed 16 Sep 2015
2. Bray F, Soerjomataram I (2015) The changing global burden of cancer: transitions in human development and implications for cancer prevention and control. In: Gelband H, Jha P, Sankaranarayanan R, Horton S (eds) Cancer: disease control priorities, vol 3, 3rd edn. The International Bank for Reconstruction and Development/The World Bank, Washington, DC
3. Parkin DM, Bray F, Ferlay J, Jemal A (2014) Cancer in Africa 2012. Cancer Epidemiol Biomark Prev 23:953–966.
https://doi.org/10.1158/1055-9965.EPI-14-0281
4. World Health Organization (2017) WHO country profile Ethiopia.
http://www.who.int/countries/eth/en/
. Accessed 4 April 2017
5. Central Statistical Agency (Ethiopia), Ethiopian Development Research Institute, International Food Policy Research Institute (2007) The 2007 population and housing census of Ethiopia: statistical report for Oromyia region