# Human pulses reveal health conditions by a piezoelectret sensor via the approximate entropy analysis

> Research article (Nano Energy, 2019) · cited 44× · AI/ML

**Wikidata**: [openalex:W2913234498](https://www.wikidata.org/wiki/openalex:W2913234498)  
**Source**: https://4ort.xyz/entity/human-pulses-reveal-health-conditions-by-a-piezoelectret-sensor-via-the-approximate-entropy-analysis