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. 2016 Aug 2;16:149. doi: 10.1186/s12877-016-0324-0

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© The Author(s). 2016

Open AccessThis 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. 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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Fig. 2 — Levels of aromatic aminoacids in CSF. Levels of aromatic amino acids in CSF of hip fracture patients free from dementia, stratified on delirium status at the time of CSF sampling. The horizontal line represents the median