[1] . United Nations Office on Drugs and Crime (UNODC)(2017).
[2] J Mounteney, I Giraudon, G Denissov et al. International Journal of Drug Policy, 26, 626(2015).
[4] H Stanley T. The Journal of Pain, 15, 1215(2014).
[5] S Vardanyan R, J Hruby V. Future Medicinal Chemmistry, 6, 385(2014).
[6] Tao Li, M Liu C, Yu Han et al. Drug Testing and Analysis, 10, 774(2018).
[7] T Breindahl, A Kimergård, F Andreasen M et al. Drug Testing and Analysis, 9, 415(2017).
[9] A Stewart, L Peters K, E Jones L et al. Analyst, 141, 902(2016).
[10] S Girotto, A Guirguis, B Berti et al. Forensic Science International, 273, 113(2017).