the neurochemical specificity of physiological , biochemical , and psychological responses to dextroamphetamine was tested by pretreating volunteers with haloperidol ( 0.014 mg/kg im ) , propranolol ( 0.1 mg/kg iv ) , thymoxamine ( 0.1 mg/kg iv ) , or placebo prior to 0.3 mg/kg iv amphetamine .
C0011812
dextroamphetamine
C0002658
amphetamine