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. 2020 Dec 9;2:47. doi: 10.1186/s42238-020-00051-z

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© The Author(s) 2020

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. 1 — Maximum symptom relief when using inhaled, dried Cannabis flower by THC and CBD levels. a Symptom relief by CBD and THC level in overall sample. b Symptom relief by THC level by symptom type. c Symptom relief by CBD level by symptom type. Notes: Adjusted maximum symptom relief is reported, which refers to covariate-adjusted change in symptom severity (minimum symptom level reported within 4 h after session initiation minus the starting symptom level) and was obtained from a user-level fixed effects model controlling for subtype, inhalation method, and starting symptom level. Tetrahydrocannabinol (THC) and cannabidiol (CBD) are measured in %/dry wt. CBD categories are controlled for in the THC figure and THC categories are controlled for in the CBD figure. Potency levels represent percentage of labeled, laboratory-tested dried weight