title: Effect of long-term administration of ovulen on the reproductive organs of inbred strains of mice.
mesh_terms: D000818:Animals; D001940:Breast / Q000187:drug effects; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D004357:Drug Synergism; D005040:Ethynodiol Diacetate / Q000008:administration & dosage*; D005260:Female; D008656:Mestranol / Q000008:administration & dosage*; D051379:Mice; D010053:Ovary / Q000187:drug effects; D013997:Time Factors; D014566:Urogenital System / Q000187:drug effects*; D014599:Uterus / Q000187:drug effects
chemical_list: D003276:Contraceptives, Oral; D005040:Ethynodiol Diacetate; D008656:Mestranol