title: Comparison of behavioral effects of synthetic (-)  9 -trans-tetrahydrocannabinol and marihuana extract distillate in chimpanzees.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D002188:Cannabis / Q000494:pharmacology*; D013759:Dronabinol / Q000494:pharmacology; D002679:Pan troglodytes; D012054:Reinforcement, Psychology
chemical_list: D013759:Dronabinol