Studies of events.
D000293:Adolescent; D000437:Alcoholism / Q000453:epidemiology / Q000523:psychology; D003417:Criminal Psychology; D004812:Epidemiologic Methods; D005006:Ethnicity; D006801:Humans; D007604:Juvenile Delinquency / Q000453:epidemiology / Q000523:psychology; D010379:Peer Group; D012932:Social Facilitation; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000523:psychology