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. 2021 Feb 17;3:4. doi: 10.1186/s42238-021-00060-6

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — Oswestry Disability Index at 1, 3, and 12 months. ODI boxplots before and after MC therapy at 1, 3, and 12 months. Statistically significant improvements were registered for comparisons at 1, 3, and 12 months (P < 0.01). The boxes contain the middle 50% of the values; the thick white lines indicate the median; the whiskers connected by dashed lines to the boxes mark the minimum and maximum values except when there are outliners, which are specifically indicated by circles. ODI Oswestry Disability Index, MC medical cannabis