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. 2014 Aug 6;14:224. doi: 10.1186/s12888-014-0224-9

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© Abler et al., licensee BioMed Central Ltd. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), 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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Estimated alcohol use as a function of within-person depression and PTSD interaction at low (−1 standard-deviation), average, and high (+1 standard deviation) levels of the interaction.