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. 2013 Dec 17;8:288. doi: 10.1186/1748-717X-8-288

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Copyright © 2013 Matzkin et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 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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Kaplan-Meier survival curves for patients with biochemical no evidence of disease (bNED) of the whole cohort. Number of patients at risk is shown against each time interval. PP, preplanning; IoP, intraoperative planning.