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. 2006 Nov 7;95(11):1562–1567. doi: 10.1038/sj.bjc.6603460

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Copyright © 2006 Cancer Research UK

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SMAD4 immunohistochemical staining of colorectal samples. (A) high Smad4, (B) low Smad4, (C) no Smad4. Samd4: Smad4 immunohistochemical staining. HE: corresponding samples of H&E staining.