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. 2013 Oct 18;13(10):14105–14120. doi: 10.3390/s131014105

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© 2013 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 license (http://creativecommons.org/licenses/by/3.0/).

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Figure 5. — (A,B) Different configurations of intensity-based FOS tested for medical applications [46,47]; (C) FOS based on macrobending for respiratory monitoring [27,31]; (D) FOS for monitoring needle insertion force using Fabry Perot interferometry [54].