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. 2016 Jan 15;43:1278–1287. doi: 10.1007/s00259-015-3292-2

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© The Author(s) 2016

Open Access This 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. 1 — Fluorescence-based SN identification: a white light image; b fluorescence-based image