pre-exposure of rats to systemic injections of d-amphetamine sulfate in the presence of bilateral injections of sch-23390 ( 0.5 or 1.0 micrograms/side ) into the ventral tegmental area ( vta ) attenuated the acute locomotor effects of amphetamine and blocked the development of sensitization to amphetamine in a test when only amphetamine was administered , in a dose-dependent manner .
C0282051
amphetamine sulfate
C0002658
amphetamine