Estrogen receptor status in BRCA1- and BRCA2-related breast cancer: the influence of age, grade, and histological type.
Foulkes WD, Metcalfe K, Sun P, Hanna WM, Lynch HT, Ghadirian P, Tung N, Olopade OI, Weber BL, McLennan J, Olivotto IA, Bégin LR, Narod SA. Estrogen receptor status in BRCA1- and BRCA2-related breast cancer: the influence of age, grade, and histological type. Clin Cancer Res. 2004 Mar 15; 10(6):2029-34.