1. Global Status Report on non-communicable diseases,2014
2. Ferlay J, Soerjomataram I, Ervik M, Dikshit R, Eser S, Mathers C, et al. GLOBOCAN 2012v1.0, Cancer Incidence and Mortality Worldwide: IARC Cancer Base No. 11. Lyon, France: International Agency for Research on Cancer, 2013. Available from: http://globocan.iarc.fr.
3. de Sanjose, Serrano B, Castellsague X, Brotons M,Munoz J, Bruni L et. al. Human Papillomavirus (HPV) and Related Cancers in the Global Alliance for Vaccines and Immunization (GAVI) Countries: A WHO/ICO HPV Information Centre Report;2012
4. FMOH: National Strategic Action Plan (NSAP) for prevention & control of non-communicable diseases in Ethiopia from 2014–2016.
5. Lancet Oncol;YW Woldeamanuel;Lancet Oncol,2013