Synthetic cannabinoids (k-drugs) mixed in herbal fragments: a new strategy for purification and identification - Araujo, Karen Rafaela Gonçalves de; Demarque, Daniel Pecoraro; Dörr, Fabiane; Neves Junior, Luiz Ferreira; Soares, Alexandre Learth; Costa, José Luiz da; Yonamine, Maurício (Congresso Brasileiro de Toxicologia/CBTOX, 2024)