# Nonlinear time series and principal component analyses: Potential diagnostic tools for COVID-19 auscultation

> Research article (Chaos Solitons & Fractals, 2020) · cited 50× · AI/ML

**Wikidata**: [openalex:W3080752099](https://www.wikidata.org/wiki/openalex:W3080752099)  
**Source**: https://4ort.xyz/entity/nonlinear-time-series-and-principal-component-analyses-potential-diagnostic-tools-for-covid-19-auscultation