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. 2014 Aug 14;5:26. doi: 10.1186/2041-9139-5-26

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Copyright © 2014 Peres et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Serotonin content in Nematostella vectensis embryos cultured in a light–dark (12:12 h) cycle. Samples from 48-h (a), 1-week (b) and 2-weeks (c) post-fertilization.