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. 2009 Dec 31;4(12):e8543. doi: 10.1371/journal.pone.0008543

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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(A) Sections of E9.5 placenta double-stained with anti-Dlx3 antibody and anti-PL-1 antibody after antigen retrieval. (B) Anti-PL-1 staining of a section that contained two embryos (EpCAM −/−, upper embryo; EpCAM +/−, lower embryo) in one E9.5 uterine decidual swelling. (C) EpCAM and DAPI staining of a frozen section of an E9.5 wild type placenta. Bars = 50 (A), 200 (B), and 20 µm (C).