title: 9 -Transtetrahydrocannabinol and natural marihuana. A controlled comparison.
mesh_terms: D000328:Adult; D001288:Attention / Q000187:drug effects; D002188:Cannabis / Q000494:pharmacology*; D003071:Cognition / Q000187:drug effects; D013759:Dronabinol / Q000008:administration & dosage / Q000494:pharmacology; D004569:Electroencephalography; D006801:Humans; D008297:Male; D008568:Memory / Q000187:drug effects; D010919:Placebos; D010947:Plants, Toxic; D011674:Pulse / Q000187:drug effects; D011930:Reaction Time / Q000187:drug effects; D012907:Smoking; D019966:Substance-Related Disorders; D011795:Surveys and Questionnaires; D014026:Nicotiana
chemical_list: D010919:Placebos; D013759:Dronabinol