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. 2014 Dec 26;9(12):e116064. doi: 10.1371/journal.pone.0116064

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© 2014 Unno 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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Immunohistochemical staining was done for cytokeratin, vimentin and E-cadherin in xenografted USC1, MMMT1, EEC2 and EEC4 tumors at passage 5, 1, 1 and 0, respectively. Brown color signifies positive staining. Scale bar; 200 um.