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. 2015 Nov 4;4:669. doi: 10.1186/s40064-015-1433-5

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© Hansen et al. 2015

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.

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Fig. 10 — Maximum RF values for the test area at frequencies of 700 kHz to 2.5 GHz for the test area over the 24 h study