title: Oral contraceptives and breast cancer.
authors.forename: B K
authors.initials: BK
authors.lastname: Armstrong
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000139:chemically induced*; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects*; D005040:Ethynodiol Diacetate / Q000009:adverse effects; D005260:Female; D006801:Humans
chemical_list: D003278:Contraceptives, Oral, Hormonal; D005040:Ethynodiol Diacetate