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. 2002 Jun 17;86(12):1876–1883. doi: 10.1038/sj.bjc.6600366

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Copyright © 2002 Cancer Research UK

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Ratio between active enzyme and proenzyme for both MMP-2 and -9. Data were obtained by quantitative gelatin zymography. (A) CRC tumour tissue; (B) transitional tissue (T–N); (C) normal mucosa. Horizontal bars represent median values, boxes represent the interquartile range, vertical lines represent the 10 to 90% range of the observations. P values represent the statistical differences between matched data on the MMP-2 and MMP-9 ratios.