[Study on 46,000 women. Long-term effects of oral contraception: The pill is effective].
Strobel
E
E
D015331:Cohort Studies; D003278:Contraceptives, Oral, Hormonal / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D011247:Pregnancy; D012307:Risk Factors; D013997:Time Factors
D003278:Contraceptives, Oral, Hormonal