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Immunohistochemical analysis of FRA-1 protein in breast tissues. Immunostaining of a normal breast tissue (100 ×) (A) and of a ductal carcinoma (200 ×) (B). The same ductal carcinoma was immunostained in the absence of the primary antibody (200 ×) (C), or with the FRA-1 antibodies pre-incubated with the peptide against which the antibodies were raised (200 ×) (D).
