687472.fig.001a
(a)
687472.fig.001b
(b)
687472.fig.001c
(c)
687472.fig.001d
(d)
Figure 1: Bifurcation diagrams of system (11) with respect to peak calcium. (a) Peak calcium versus total calcium , with , , and . (b) Peak calcium versus the proportionality parameter , with the same and in (a), and . (c) , under the other conditions same as in (a). (d) , under the other conditions same as in (b).