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Baseline cannabinoid concentrations and cannabinoids stability in Quantisal™ collected OF: (A) Δ9-tetrahydrocannabinol (THC), (B) 11-nor-9-carboxy-Δ9-tetrahydrocannabinol (THCCOOH), (C) Δ9-tetrahydrocannabivarin (THCV), (D) Cannabidiol (CBD) and (E) Cannabigerol (CBG). Median %baseline cannabinoid concentrations for occasional and frequent participants when stored 1, 2 and 3 months at 4°C; error bars depict ranges.
