# Elemental fingerprinting of Hypericum perforatum (St John’s Wort) herb and preparations using ICP-OES and chemometrics

> Research article (Journal of Pharmaceutical and Biomedical Analysis, 2016) · cited 28× · AI/ML

**Wikidata**: [openalex:W2290724602](https://www.wikidata.org/wiki/openalex:W2290724602)  
**Source**: https://4ort.xyz/entity/elemental-fingerprinting-of-hypericum-perforatum-st-johns-wort-herb-and-preparations-using-icp-oes-and-chemometrics