Rapid Detection and Quantification of Novel Psychoactive Substances (NPS) Using Raman Spectroscopy and Surface-Enhanced Raman Scattering.

Front Chem · 2019 · PMC6593286 · PMID 31275919

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an increasing trendno p-value reported

These results clearly displayed the decrease of 4-MMC levels, while its two metabolites exhibited an increasing trend with time.

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