1. Nordqvist, C., Chronic kidney disease: causes, symptoms and treatments. IOP Publishing medicalnewstoday, 2016 http://www.medicalnewstoday.com/articles/172179.php . Accessed 14 Jan 2016.
2. Go, A.S., Chertow, G.M., Fan, D., McCulloch, C.E., and Hsu, C.-y., Chronic kidney disease and the risks of death, cardiovascular events, and hospitalization. N. Engl. J. Med., 2004. doi: 10.1056/NEJMoa041031 .
3. Kathuria, P., and Wedro, B., Chronic kidney disease quick overview. IOP Publishing emedicinehealth, 2016 http://www.emedicinehealth.com/chronic_kidney_disease/page2_em.htm#chronic_kidney_disease_quick_overview . Accessed 23 Feb 2016.
4. Huang, M.-J., Chen, M.-Y., and Lee, S.-C., Integrating data mining with case-based reasoning for chronic diseases prognosis and diagnosis. Expert Syst. Appl. 32:856–867, 2007. doi: 10.1016/j.eswa.2006.01.038 .
5. José, N., Rosário Martins, M., Vilhena, J., Neves, J., Gomes, S., Abelha, A., Machado, J., and Vicente, H., A soft computing approach to kidney diseases evaluation. J. Med. Syst. 39:131, 2015. doi: 10.1007/s10916-015-0313-4 .