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. 2021 Feb 14;11(2):126. doi: 10.3390/jpm11020126

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(A) Immunohistochemical staining of SMAD4 in colorectal adenocarcinoma with an intensity score of 2+ with more than 50% of the stained cells. (B) Immunohistochemical staining of SMAD4 in normal sample.