Fig. 1.
Dopamine (DA) tissue content (ng/mg protein; mean ± SEM) in the dorsomedial (DM) striata of rats pretreated with saline (4 × 1 mL at 2-hr intervals, n=7) or a neurotoxic regimen of methamphetamine (METH; 4 × 10 mg/kg, sc at 2-hr intervals, n=7) seven weeks prior to sacrifice.