title: Association between oral contraceptive use and premenopausal breast cancer: mediated by hormonal confounders?
authors.forename: William H
authors.initials: WH
authors.lastname: James
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000139:chemically induced* / Q000453:epidemiology; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D017697:Premenopause; D012306:Risk; D013997:Time Factors
chemical_list: D003276:Contraceptives, Oral