Hair concentrations of Δ-9-tetrahydrocannabinol and cannabidiol in cannabis consumers psychiatric patients Posted on December 7, 2022 By sdargoltz Yann Barguil, Laura Chiaradia, Guy Southwell, Jean-Yves Charlot Tox Anal Clin; 34(4); 2022 Access article Access article Cannabis and Cannabinoids, Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Forensic Pathology and Medicolegal Death Investigation, Seized Drugs/Controlled Substances, Sexual Assault / SANE, Toxicology