# Reliability of the Parabola Approximation Method in Heart Rate Variability Analysis Using Low-Sampling-Rate Photoplethysmography

> Research article (Journal of Medical Systems, 2017) · cited 16× · AI/ML

**Wikidata**: [openalex:W2766741207](https://www.wikidata.org/wiki/openalex:W2766741207)  
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