title: [Oral contraceptives and menopausal estrogens in relation to breast neoplasia].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004967:Estrogens / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged
chemical_list: D003276:Contraceptives, Oral; D004967:Estrogens