significant qualitative differences were found between the i.c . effects of d-amphetamine ( 15 mug ) and dopamine ( 15-90 mug ) : d-amphetamine further increased the intensity of ongoing tremors induced by physostigmine ( 111 mug i.c . ) , whereas , dopamine readily inhibited the latter .
C0002658
amphetamine
C0011812
d-amphetamine