Delinquent boys, their parents and grandparents.
D000293:Adolescent; D000434:Alcoholic Beverages; D002648:Child; D004243:Divorce; D004493:Education; D005190:Family; D006801:Humans; D007604:Juvenile Delinquency; D008297:Male; D001523:Mental Disorders; D010287:Parent-Child Relations; D010290:Parents; D011678:Punishment; D012736:Sex Education; D012924:Social Conditions; D013223:Statistics as Topic; D013548:Sweden