Ricardo Leal Cunha, Márcia Maria Portela de Santana, and Celinalva da Silva Lima Oliveira. “Preliminary Detection of New Psychoactive Substances (NPS) in Synthetic Drugs Seizures in the Northeast Brazil in a Period of Two Years (2014–2016)”. Brazilian Journal of Forensic Sciences, Medical Law and Bioethics 6, no. 2 (March 18, 2017): 247–257. Accessed April 25, 2024. https://www.bjfs.org/bjfs/bjfs/article/view/668.