[Little problems of contraception. Metrorrhagia and oral contraceptives].
D003267:Contraception; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008796:Metrorrhagia / Q000209:etiology*
D003276:Contraceptives, Oral
Petitis problèmes de la contraception. Métrorragies et contraceptifs oraux.