Discriminative stimulus and subjective effects of smoked marijuana in humans.
Psychopharmacology 1988 L D Chait, S M Evans, K A Grant et al.
The discriminative stimulus (DS) effects of smoked marijuana were studied by training marijuana smokers to discriminate between the effects of marijuana containing 2.7% delta 9-THC (M) and marijuana containing 0.0% delta 9-THC (P). In addition to measures of discrimination responding, subjective effects were assessed with standardized mood questionnaires. The post-smoking increase in expired...