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. 2011 Jan 31;6(1):e14640. doi: 10.1371/journal.pone.0014640

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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. Protein expression of E-Cadherin, ZO-1, Connexin-32, Mcl-1, Bcl-xL, Bid, Bak, Bax, and β-actin examined by Western blot. B. Molecular mechanisms underlying drug resistance in tumor spheroids.