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. 2015 Oct 24;1(1):27. doi: 10.1186/s40729-015-0029-8

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© Stiller et al. 2015

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.

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Fig. 13 — Results of the PPD before and after STG showing a significant reduction in PPD measurements (p < 0.01)