Oral contraceptive use and ovarian cancer risk among carriers of BRCA1 or BRCA2 mutations

AS Whittemore, RR Balise, PDP Pharoah, RA DiCioccio, I Oakley-Girvan, SJ Ramus, M Daly, MB Usinowicz, K Garlinghouse-Jones, BAJ Ponder, S Buys, R Senie, I Andrulis, E John, JL Hopper, MS Piver