[Sex behavior--attitude and practice for teenagers].
Eriksen
B O
BO
Laudal
M
M
Nore
A K
AK
Søndenå
M S
MS
D000293:Adolescent; D003267:Contraception; D005260:Female; D006801:Humans; D008297:Male; D009664:Norway; D012736:Sex Education; D012725:Sexual Behavior
Seksuell atferd--holdninger og praksis i et ungdomsmiljø.