764742.fig.002a
(a)
764742.fig.002b
(b)
Figure 2: Body weight change (% of initial body weight) (a) and food intake (g/day) (b) following different morphine treatments. See Table 1 for details on the morphine treatment paradigm. per treatment. * , versus saline injection, ## versus 24 h placebo pellet, versus 7 d placebo pellet, versus 7 d placebo pellet.