1. N. Howlader, A. Noone, M. Krapcho, J. Garshell, D. Miller, S. Altekruse, et al., Seer cancer statistics review, 1975–2012 [internet]. Bethesda, MD, National Cancer Institute, 2013 [cited 2015 jan 28].
2. Modeling immunotherapy of the tumor–immune interaction;Kirschner;J. Math. Biol.,1998
3. Mixed immunotherapy and chemotherapy of tumors: modeling, applications and biological interpretations;de Pillis;J. Theor. Biol.,2006
4. Different strategies for cancer treatment: mathematical modelling;Isaeva;Comput. Math. Methods Med.,2009
5. A delay differential equation model for tumor growth;Villasana;J. Math. Biol.,2003