title: A triphasic oral contraceptive: Logynon and Trinordiol.
mesh_terms: D003276:Contraceptives, Oral; D003279:Contraceptives, Oral, Sequential; D003280:Contraceptives, Oral, Synthetic; D005260:Female; D006801:Humans
chemical_list: D003276:Contraceptives, Oral; D003279:Contraceptives, Oral, Sequential; D003280:Contraceptives, Oral, Synthetic