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. 2003 Nov 25;89(11):2116–2121. doi: 10.1038/sj.bjc.6601372

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Copyright © 2003 Cancer Research UK

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Immunohistochemical staining of oesophageal cancer for MMP-7 and MMP-9. (A) MMP-7-positive SCC; MMP-7 was stained in cancer cell cytoplasm, (B) MMP-7-negative SCC, (C) MMP-9-positive SCC; MMP-9 was stained in tumour cytoplasm, (D) MMP-9-negative SCC (× 400).