1. Adamowicz, P., Jurczyk, A., Gil, D., Szustowski, S. (2020). A case of intoxication with a new cathinone derivative α-PihP – a presentation of concentrations in biological specimens. Legal Medicine, 42, 101626.
2. Cuypers, E., Bonneure, A. J., Tytgat, J. (2016). The use of presumptive color tests for new psychoactive substances. Drug Testing and Analysis, 8(1), 136–140.
3. European Monitoring Centre for Drugs and Drug Addiction (2019). European Drug Report 2019: Trends and Developments. Luxembourg: Publications Office of the European Union.
4. European Monitoring Centre for Drugs and Drug Addiction (2020). European Drug Report 2020: Trends and Developments. Luxembourg: Publications Office of the European Union.
5. European Monitoring Centre for Drugs and Drug Addiction (2021). European Drug Report 2021: Trends and Developments. Luxembourg: Publications Office of the European Union.
6. Graziano, S., Anzillotti, L., Mannocchi, G., Pichini, S., Busardò, F. P. (2019). Screening methods for rapid determination of new psychoactive substances (NPS) in conventional and non-conventional biological matrices. Journal of Pharmaceutical and Biomedical Analysis, 163, 170–179.
7. Nagy, G., Szöllősi, I., Szendrei, K. (2005). Color tests for precursor chemicals of amphetamine-type substances. the use of color tests for distinguishing between ephedrine-derivatives. Scientific and Technical Notes SCITEC/20.
8. Nowak, K., Szpot, P., Zawadzki, M. (2021). Fatal intoxication with u-47700 in combination with other NPS (N-ethylhexedrone, adinazolam, 4-CIC, 4-CMC) confirmed by identification and quantification in autopsy specimens and evidences. Forensic Toxicology, 39(2), 493–505.
9. Philp, M., Fu, S. (2018). A review of chemical ‘spot’ tests: a presumptive illicit drug identification technique. Drug Testing and Analysis, 10(1), 95–108.
10. Pieprzyca, E., Skowronek, R., Nižnanský, Ľ., Czekaj, P. (2020). Synthetic cathinones – from natural plant stymulant to new drug of abuse. European Journal of Pharmacology, 875, 173012.
11. Rojek, S., Kłys, M., Maciów-Głąb, M., Kula, K. (2017). A new challenge in forensic toxicology exemplified by a case of murder under the influence of a synthetic cannabinoid – AM-2201. Legal Medicine, 27, 25–31.
12. Rojek, S., Korczyńska-Albert, M., Kulikowska, J., Kłys, M. (2017). Współczesne wyzwania w toksykologii związane z nowymi substancjami psychoaktywnymi ilustrowane przypadkami zgonów po zażyciu UR-144 oraz UR-144 z pentedronem oznaczonych w próbkach krwi metodą LC-ESI-MS-MS. Archiwum Medycyny Sądowej i Kryminologii, 67(2), 104–120.
13. Sekuła, K., Zuba, D., Lorek, K. (2018). Analysis of fragmentation pathways of new-type synthetic cannabinoids using electrospray ionization. Journal of the American Society for Mass Spectrometry, 29(10), 1941–1950.
14. Siczek, M., Zawadzki, M., Siczek, M., Chłopaś-Konowałek, A., Szpot, P. (2021). Etazene (N,N-diethyl-2-{[(4-ethoxyphenyl)methyl]-1H-benzimidazol-1-yl}-ethan-1-amine (dihydrochloride)): a novel benzimidazole opioid NPS identified in seized material: crystal structure and spectroscopic characterization. Forensic Toxicology, 39(1), 146–155.
15. United Nations Office (2015). Recommended methods for the identification and analysis of synthetic cathinones in seized materials. Manual for use by national drug analysis laboratories.
16. Zawadzki, M., Wachełko, O., Chłopaś-Konowałek, A., Szpot, P. (2021). Quantification and distribution of 4-fluoroisobutyryl fentanyl (4-FiBF) in postmortem biological samples using UHPLC–QqQ-MS/MS. Forensic Toxicology, 39(2), 451–463.
17. Zuba, D., Adamowicz, P. (2016). Distinction of constitutional isomers of mephedrone by chromatographic and spectrometric methods. Australian Journal of Forensic Sciences, 49(6), 637–649.