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. 2020 Oct 1;20(6):314. doi: 10.3892/ol.2020.12177

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Copyright: © Liang et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 4. — Immunohistochemical staining of ER, PR and HER2 in breast tumor tissues at a magnification of ×200. Strong immunostaining for (A) ER, (B) PR and (C) HER2 in breast tumor tissue. ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal growth factor receptor 2.