Effect of Prior Bilateral Oophorectomy on the Presentation of Breast Cancer in BRCA1 and BRCA2 Mutation Carriers oleh Metcalfe Kelly A, Foulkes William D, Lynch Henry T, Ghadirian Parviz, Tung Nadine, Olivotto Ivo A, Warner Ellen, Olopade Olufunmilayo, Eisen Andrea, Weber Barbara, McLennan Jane, Sun Ping, Narod Steven A