title: Survey of adolescent drug use. IV. Patterns of drug use.
mesh_terms: D000293:Adolescent; D000428:Alcohol Drinking; D000661:Amphetamine; D000700:Analgesics; D002188:Cannabis; D006801:Humans; D009042:Motivation; D009922:Oregon; D010379:Peer Group; D000297:Psychology, Adolescent; D012907:Smoking; D012925:Social Conformity; D019966:Substance-Related Disorders
chemical_list: D000700:Analgesics; D000661:Amphetamine