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. 2020 Jan 10;12(1):186. doi: 10.3390/polym12010186

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© 2020 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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A sample of longitudinal (A) and transverse (B) scans for the medium-depth simulated blood vessel (depth = 40 mm). (C) A spectrum of the fitted blood speed’s readings over one scanning cycle.