# Rapid discrimination of Salvia miltiorrhiza according to their geographical regions by laser induced breakdown spectroscopy (LIBS) and particle swarm optimization-kernel extreme learning machine (PSO-KELM)

> Research article (Chemometrics and Intelligent Laboratory Systems, 2020) · cited 36× · AI/ML

**Wikidata**: [openalex:W2999754001](https://www.wikidata.org/wiki/openalex:W2999754001)  
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