The incidence and correlates of smoking among delinquent boys committed for residential training.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D006801:Humans; D007360:Intelligence; D007604:Juvenile Delinquency; D008297:Male; D010551:Personality; D012907:Smoking / Q000453:epidemiology*; D012923:Social Class