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. 2019 Nov 28;21:129. doi: 10.1186/s13058-019-1217-x

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. 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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Fig. 4 — Kaplan-Meier curves of tumor-free and overall survival. a Kaplan-Meier curves for tumor-free survival were plotted separately for non-injected and injected glands from the same animal, where appropriate. b Kaplan-Meier curves for overall survival were plotted for all experimental groups. Legend indicates which plotted curve corresponds to each experimental group and the number of animals per group (a, b). Colored asterisks indicate p value of log-rank test of matched experimental class or group compared to non-injected control animals (**< 0.01, ****< 0.0001); see Tables 1 and 2 for more details