apomorphine ( 0.12 -- 2 mg/kg , sc ) and d-amphetamine ( 1 -- 8 mg/kg , ip ) were each able , at certain doses , to potentiate the cataleptic state produced by the neuroleptic agent , haloperidol ( 1 mg/kg , ip ) .
C0040615
neuroleptic agent
C0018546
haloperidol