Figure 6From: Analysis of a delay-induced mathematical model of cancerParametric plot of immune and tumor cells for \(r_{1} =0.4\) and \(M ( 0 ) =0.7\), \(H ( 0 ) =0.01\), and \(R ( 0 ) =0.993\) when (a) \(\tau =8\) (blue); (b) \(\tau = \tau _{0} =18.91866\) (red); and (c) \(\tau =35\) (green)Back to article page