title: Drug associations as a measure of habit strength for specific drugs.
mesh_terms: D000328:Adult; D000661:Amphetamine; D001244:Association; D001463:Barbiturates; D002188:Cannabis; D003469:Culture; D000431:Ethanol; D003932:Heroin; D006556:Heroin Dependence; D006801:Humans; D008297:Male; D008691:Methadone; D009020:Morphine; D010555:Personality Inventory; D014705:Verbal Behavior; D014936:Word Association Tests
chemical_list: D001463:Barbiturates; D000431:Ethanol; D003932:Heroin; D009020:Morphine; D000661:Amphetamine; D008691:Methadone