title: Multiple drug-use patterns among a group of high school students: regular users vs. nonusers of specific drug types.
mesh_terms: D000293:Adolescent; D000428:Alcohol Drinking; D000662:Amphetamines; D001463:Barbiturates; D002188:Cannabis; D003042:Cocaine; D005260:Female; D003932:Heroin; D006801:Humans; D008238:Lysergic Acid Diethylamide; D008297:Male; D013334:Students; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014481:United States
chemical_list: D000662:Amphetamines; D001463:Barbiturates; D003932:Heroin; D008238:Lysergic Acid Diethylamide; D003042:Cocaine