[Use of contraceptives in Norway].
D000293:Adolescent; D000328:Adult; D003274:Contraceptive Devices, Female / Q000706:statistics & numerical data*; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000706:statistics & numerical data; D009664:Norway
D003276:Contraceptives, Oral
Prevensjonsbruken i Norge.