title: Biphasic effects of   9 -tetrahydrocannabinol on variable interval schedule performance in rats.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D002188:Cannabis / Q000494:pharmacology*; D003216:Conditioning, Operant / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D013759:Dronabinol / Q000494:pharmacology; D008297:Male; D051381:Rats; D012055:Reinforcement Schedule
chemical_list: D013759:Dronabinol