Figure 1From: The distribution of the therapeutic monoclonal antibodies cetuximab and trastuzumab within solid tumors Immmunohistochemical staining of sections of xenografts. Immmunohistochemical staining after ex vivo application of cetuximab to identify ErbB1 expression (upper panels) or of trastuzumab to identify ErbB2 expression (lower panels). Scale bar = 100 μm.Back to article page