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. 2015 Mar 15;13:111. doi: 10.1186/s12957-015-0505-x

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© Zhou et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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MicroPET-CT imaging of A549 tumors before and after gefitinib treatment. Tumors in the treated (A) and control (B) groups on day 2, 7, and 14. White arrow indicates tumor.