title: [Oral contraception with normophasic sequence agents].
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects / Q000627:therapeutic use*; D004338:Drug Combinations; D005260:Female; D006801:Humans; D010060:Ovulation / Q000187:drug effects
chemical_list: D003276:Contraceptives, Oral; D004338:Drug Combinations
vernacular_title: Normophasische Sequenzovulationshemmung.