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. 2017 May 4;22(5):732. doi: 10.3390/molecules22050732

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Apoptotic detection by TUNEL assay. PI (red) stained the nucleus while FITC (green) labeled the apoptotic cells. Images were captured by a confocal scanning laser microscope. Scale bar: 50 μm.