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. 2018 Dec 27;18:695. doi: 10.1186/s12879-018-3484-z

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© The Author(s). 2018

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 — Rose diagram for SARI incidence in Rio Grande do Sul, Brasília (Federal District) and Amazonas (from left to right). The von Mises adjusted probability density function in dashed blue ellipse. The year progresses counterclockwise