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Immunolocalization of TGF-β1 within the extracellular matrix of hepatic granulomas of patients with CDC. Tissue sections from seven patients with CDC were examined by immunohistochemistry with a polyclonal rabbit antibody (designated CC) that detects extracellular, matrix-associated TGF-β1. Sections stained with normal rabbit serum (A) or the CC antibody (B to E) are shown.
