title: The effect of marihuana on tracking task performance.
mesh_terms: D000293:Adolescent; D000328:Adult; D002188:Cannabis / Q000494:pharmacology*; D006801:Humans; D008297:Male; D009048:Motor Skills / Q000187:drug effects*; D010919:Placebos; D013647:Task Performance and Analysis; D014796:Visual Perception / Q000187:drug effects*
chemical_list: D010919:Placebos