1. World Health Organization (2002). National cancer control programs: policies and managerial guidelines. Retrieved from http://www.who.int/cancer/media/en/408.pdf
2. Lee, M. K., Lee, W. J., Do, Y. R., Lee, K. S., Jung, K. H., Heo, D. S., ... Yun, Y. H. (2015). Changes in health-related quality of life and quality of care among terminally ill cancer patients and survival prediction: Multicenter prospective cohort study. Palliative & Supportive Care, 13(4), 1103--1111.
3. World Health Organization (2010). Cancers. Retrieved from http://www.who.int/nmh/publications/fact_sheet_cancers_en.pdf
4. R. Laskhmi et al., (2012). Breast Cancer Risk Factors: preventable and non-preventable. International Research Journal of Pharmacy, 3(10), 48--52
5. Khatib O. M.N., (2006). Guideline for the early detection and screening of breast cancer. World Health Organization. Retrieved from http://applications.emro.who.int/dsaf/dsa696.pdf