Bifurcations and Chaotic Dynamics in a Tumour-Immune-Virus System R. Eftimie, C.K. Macnamara, Jonathan Dushoff, J.L. Bramson and D.J.D. Earn Math. Model. Nat. Phenom., 11 5 (2016) 65-85 Published online: 07 December 2016 DOI: 10.1051/mmnp/201611505