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. 2016 Apr 5;11:16. doi: 10.1186/s13020-016-0088-7

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© Motlagh et al. 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. 4 — Number of publications (top) and citations (bottom) per year. This figure shows that since 2008, the number of citations has increased to 200 per year. Before 2008, it was about 50 per year