title: [Oral contraceptives and breast cancer].
authors.affiliation: Department of Surgery, Tokyo Women's Medical University Daini Hospital.
authors.forename: S
authors.initials: S
authors.lastname: Haga
authors.forename: J
authors.initials: J
authors.lastname: Kinoshita
mesh_terms: D000367:Age Factors; D001943:Breast Neoplasms / Q000139:chemically induced* / Q000453:epidemiology; D003271:Contraceptive Agents, Female / Q000009:adverse effects*; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects*; D004967:Estrogens / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011374:Progesterone / Q000009:adverse effects*; D012306:Risk; D013997:Time Factors
chemical_list: D003271:Contraceptive Agents, Female; D003278:Contraceptives, Oral, Hormonal; D004967:Estrogens; D011374:Progesterone