Own MR, Speirs V: Immunohistochemical detection of ERbeta in breast cancer: towards more detailed receptor profiling? Br J Cancer 2001, 84(8):1095?098. 33. Zhao C, Dahlman-Wright K, Gustafsson JA: Estrogen receptor beta: an overview and update. Nucl Recept Signal 2008, 6:e003. 34. Saji S, Hirose M, Toi M: Clinical significance of estrogen receptor beta in breast cancer. Cancer Chemother Pharmacol