The need for a quality control of the whole process of immunohistochemistry human epidermal growth factor receptor 2/neu determination: a United Kingdom National External Quality Assessment Service/Italian Network for Quality Assessment of Tumor Biomarkers pilot experience.

Antibodies, Monoclonal/therapeutic use Antibodies, Monoclonal, Humanized Biomarkers, Tumor/analysis Breast Neoplasms/drug therapy,genetics,pathology Chemotherapy, Adjuvant Female Genes, erbB-2 Humans Immunohistochemistry/standards In Situ Hybridization, Fluorescence/standards Italy Laboratories/standards Patient Selection Pilot Projects Predictive Value of Tests Quality Control Reproducibility of Results Trastuzumab United Kingdom

Antibodies, Monoclonal Antibodies, Monoclonal, Humanized Biomarkers, Tumor Trastuzumab