title: Patterns of multiple drug use in high school.
mesh_terms: D000293:Adolescent; D000437:Alcoholism / Q000453:epidemiology; D000661:Amphetamine; D001463:Barbiturates; D002188:Cannabis; D003042:Cocaine; D003932:Heroin; D006801:Humans; D008238:Lysergic Acid Diethylamide; D009519:New York City; D012907:Smoking / Q000453:epidemiology; D013334:Students; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014149:Tranquilizing Agents
chemical_list: D001463:Barbiturates; D014149:Tranquilizing Agents; D003932:Heroin; D008238:Lysergic Acid Diethylamide; D000661:Amphetamine; D003042:Cocaine