Figure 1

14C-DHA plasma radioactivity over 20 minutes in rats administered acute 1 mg/kg i.v. dose of (−)-quinpirole hydrochloride dissolved in 0.9% saline or vehicle consisting of 0.9% saline. Solid line represents saline treated rats; dashed line represents quinpirole treated rats. Values are mean ± SD of n = 6 saline and 7 quinpirole treated rats per group.