title: Oral contraceptives and breast cancer: epidemiological evidence.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001941:Breast Diseases / Q000139:chemically induced / Q000453:epidemiology; D001943:Breast Neoplasms / Q000139:chemically induced* / Q000453:epidemiology; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D011247:Pregnancy; D011379:Prognosis; D012306:Risk; D013997:Time Factors
chemical_list: D003276:Contraceptives, Oral