Effects of delta 9-tetrahydrocannabinol and social context on marijuana self-administration by humans.
Pharmacology, biochemistry, and behavior November 1994 T H Kelly, R W Foltin, M T Mayr et al.
The effects of time of day and social context on daily patterns of marijuana self-administration were examined in two groups of three adult male marijuana smokers during a 12-day residential study. Days were divided into 6.5-h work and social-access periods. Order of occurrence (i.e., work before social access or social access before work) was counterbalanced between groups and reversed for...