[Medical problem of using contraceptive agents in birth control].
D002677:Chile; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008107:Liver Diseases / Q000209:etiology*; D011602:Psychophysiologic Disorders / Q000209:etiology*
D003276:Contraceptives, Oral
El problema médico del uso de drogas anovulatorias en el control de la natalidad.