1. World Health Organization: Latest world cancer statistics Geneva: International Agency For Research on Cancer (IARC); 2013 [cited 2017 Oct 23]. https://www.uicc.org/iarc-release-latest-world-cancer-statistics
2. International Agency For Resarch on Cancer; Estimated Breast Cancer Incidence, Mortality and Prevalence Worldwide in 2012: Globocan; 2012 http://globocaniarcfr/old/FactSheets/Cancers/breast-newasp.
3. World Health Organization: Cancer—a Growing Public Health Concern for Ethiopia 2015 [cited 2017 Dec]. http://www.afrowhoint/news/cancer-growing-public-health-concern-ethiopia.
4. Pattern of Cancer in Tikur Anbessa Specialized Hospital Oncology Center in Ethiopia from 1998 to 2010;W Tigeneh;Int J Cancer Res Mol Mech,2015
5. Adherence to long term therapies: Evidence for action;E Sabate;World health organization (WHO),2003