[Sexual activity and contraceptive habits among young people. A study among pupils of the 9th grade in the municipality of Viborg].
D000293:Adolescent; D000367:Age Factors; D003268:Contraception Behavior; D003718:Denmark; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors; D012725:Sexual Behavior
Seksuel aktivitet og praeventionsvaner blandt unge. En undersøgelse blandt elever i 9. klasse i Viborg kommune.