Comparison between the Bond Oracle HER2 immunohistochemical system, the polyclonal HER2 Dako antibody and Chromogenic In Situ Hybridization in breast carcinoma H. Kourea * , V. TzelepiI, I. Nikolatou, P. Ravazoula, V. Zolota * University of Patras, Dept. of Pathology, Greece