No increased risk of breast cancer associated with alcohol consumption among carriers of BRCA1 and BRCA2 mutations ages < 50 years

Valerie McGuire, Esther M John, Anna Felberg, Robert W Haile, Norman F Boyd, Duncan C Thomas, Mark A Jenkins, Roger L Milne, Mary B Daly, John Ward, Mary Beth Terry, Irene L Andrulis, Julia A Knight, Andrew K Godwin, Graham G Giles, Melissa Southey, Dee W West, John L Hopper, Alice S Whittemore