Oral contraceptives and the risk of breast cancer in BRCA1 and BRCA2 mutation carriers. Narod SA, Dube MP, Klijn J, et al. J Natl Cancer Inst 2002; 94(23): 1773-1779.
Oral contraceptives and the risk of breast cancer in BRCA1 and BRCA2 mutation carriers. Narod SA, Dube MP, Klijn J, et al. J Natl Cancer Inst 2002; 94(23): 1773-1779.