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. 2012 Oct 22;4(4):1067–1105. doi: 10.3390/cancers4041067

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© 2012 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 license (http://creativecommons.org/licenses/by/3.0/).

PMC Copyright notice

Images of mouse injected in vivo with UCNPs; before (A) and after dissection (B). The red color indicates emission from UCNPs, green and black show background as indicated by the arrows and the inset ([31,125], reproduced by permission of the American Chemical Society).