Semi-quantitative analysis of cannabinoids in hemp (Cannabis sativa L.) using gas chromatography coupled to mass spectrometry Posted on October 31, 2022 By Becky Carter Luca De Prato, Matthew Timmins, Omid Ansari, Katinka X. Ruthrof, Giles E. St. J. Hardy, John Howieson & Graham O’Hara J Cannabis Res; 4:51; 2022 Access article Cannabis and Cannabinoids, Chemistry, Seized Drugs/Controlled Substances