the dopac/dopamine and hva/dopamine ratios in extracted whole tissue were determined to obtain an index of dopaminergic activity in various rat brain regions 24 h following 10 days ' treatment with haloperidol ( 0.5 and 2 mg/kg ) or sulpiride ( 10 and 100 mg/kg ) .
C0013030
dopamine
C0282151
dopaminergic