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. 2011 Mar 2;6(3):e17517. doi: 10.1371/journal.pone.0017517

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Stankiewicz et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Strong immunoexpression of pEGFR (A), HER3 (B) and HER4 (C). pAkt (D) and Akt1 (E) show both nuclear and cytoplasmic staining. PTEN expression is restricted to nuclei only and reduced staining was often found in cancer cells (F). Scale bar: 50 µm.