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. 2019 Mar 29;19:78. doi: 10.1186/s12935-019-0793-2

Fig. 1.

Fig. 1

Different ZEB1 immunochemistry staining. a Weak ZEB1 expression with a staining score of 1 (≤ 6); b weak ZEB1 expression with a staining score of 6 (≤ 6); c strong ZEB1 expression with a staining score of 8 (> 6); d strong ZEB1 expression with a staining score of 12 (> 6)