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. 2016 May 23;16(5):748. doi: 10.3390/s16050748

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© 2016 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

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Strain profiles provided by DOFS system for a 20 kN bending load: (a) In the compression zone at instrumentation level 1 and (b) In the tension zone at instrumentation level 3 [92].