[The use of contraceptive pills in Norway].
D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral; D003718:Denmark; D005260:Female; D006801:Humans; D009664:Norway; D012189:Retrospective Studies; D013548:Sweden
D003276:Contraceptives, Oral
Forbruket av P-piller i Norge.