Common variants of the BRCA1 wild-type allele modify the risk of breast cancer in BRCA1 mutation carriers. by Cox, D, Simard, J, Sinnett, D, Hamdi, Y, Soucy, P, Ouimet, M, Barjhoux, L, Verny-Pierre, C, McGuffog, L, Healey, S, Szabo, C, Greene, M, Mai, P, Andrulis, I, Thomassen, M, Gerdes, A, Caligo, M, Friedman, E, Laitman, Y, Kaufman, B, Paluch, S, Borg, Å, Karlsson, P, Askmalm, MS, Bustinza, G