Fast saliva analysis by GC–MS with Cold EI and Open Probe Fast GC–MS with Cold EI for the detection of cannabis usage Posted on November 13, 2023November 13, 2023 By Jeff Teitelbaum Oneg Elkabets, Benny Neumark, Aviv Amirav Journal of Mass Spectrometry; 2023 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, Toxicology