Cite

    Marilyn A. Huestis et al.. “Correlation of creatinine‐ and specific gravity‐normalized free and glucuronidated urine cannabinoid concentrations following smoked, vaporized, and oral cannabis in frequent and occasional cannabis users.” Drug testing and analysis, vol. 11, no. 7, 2019, pp. 968–975. http://access.bl.uk/ark:/81055/vdc_100086848337.0x000007