# Classification of heroin, methamphetamine, ketamine and their additives by attenuated total reflection-Fourier transform infrared spectroscopy and chemometrics

> Research article (Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, 2020) · cited 23× · AI/ML

**Wikidata**: [openalex:W3041658568](https://www.wikidata.org/wiki/openalex:W3041658568)  
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