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. 2003 Jan 28;88(1):96–101. doi: 10.1038/sj.bjc.6600656

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Copyright © 2003 Cancer Research UK

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Immunohistochemical detection of uPA-PAI-1 complexes in breast cancer. Streptavidin-biotin peroxidase X 250. (A) Strong reaction in <10% tumour cells. Very weak reaction in the rest of tumour cells. No reaction in stromal cells. (B) Negative control of A). (C) Strong, granular reaction in most tumour cells. No stromal reaction. (D) Negative control of C).