A simple and fast method to detect freebase cocaine in artificial saliva by square wave voltammetry (SWV) using carbon paste electrode. Journal of Electrochemical Science and Engineering, [S. l.], v. 10, n. 4, p. 361–371, 2020. DOI: 10.5599/jese.849. Disponível em: https://pub.iapchem.org/ojs/index.php/JESE/article/view/849. Acesso em: 14 jun. 2026.