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. 2020 Feb 17;21:12. doi: 10.1186/s40360-020-0391-x

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© The Author(s). 2020

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. 4 — Course of treatment 2 (HAMD items 1, 2, 8, and 10). Treatment effects of amantadine and placebo, respectively, measured by the difference in indicated items 1 (depressed mood), 2 (feeling of guilt), 8 (retardation), and 10 (anxiety) of the HAMD-score. For p-values and effect size indicators at different time points see Table 3 and Table 4