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. 2014 Dec 23;9:301. doi: 10.1186/s13014-014-0301-8

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© Cao et al.; licensee BioMed Central. 2014

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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The isodose curve distribution of tumor after seed implantation from CT scan. The inner green curve represents GTV. The ellipses are isodose lines of 160, 120, 80 Gy from inside, respectively.