Patterns of sexual behaviour in relation to venereal disease.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003273:Contraceptive Devices; D003718:Denmark; D005260:Female; D006069:Gonorrhea / Q000453:epidemiology*; D006266:Health Education; D006716:Homosexuality; D006801:Humans; D007360:Intelligence; D007604:Juvenile Delinquency; D008297:Male; D008598:Menstruation; D010287:Parent-Child Relations; D011247:Pregnancy; D012736:Sex Education; D012737:Sex Factors; D011477:Sex Work; D012725:Sexual Behavior; D012924:Social Conditions