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. 2017 Jan 6;17:37. doi: 10.1186/s12889-016-3966-0

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© The Author(s). 2017

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 — Annual variation in ambient solar UV radiation at Giyani, Limpopo Province. The data were extracted from the Ozone Monitoring Instrument (OMI) on the Aura Satellite which is part of the National Aeronautics and Space Administration (NASA) A-train satellite constellation. The data was obtained from Giovanni online data system, developed and maintained by the NASA Goddard Earth Science Data and Information Services Centre