Classification of Various Marijuana Varieties by Raman Microscopy and Chemometrics Posted on March 29, 2022 By Becky Carter Luis Ramos-Guerrero, Gemma Montalvo, Marzia Cosmi, Carmen García-Ruiz, Fernando E. Ortega-Ojeda Toxics; 10(3); 2022 Access article Cannabis and Cannabinoids, Chemistry, Seized Drugs/Controlled Substances, Toxicology