# Time irreversibility of heart rate oscillations in newborns – Does it reflect system nonlinearity?

> Research article (Biomedical Signal Processing and Control, 2015) · cited 13× · AI/ML

**Wikidata**: [openalex:W1978821985](https://www.wikidata.org/wiki/openalex:W1978821985)  
**Source**: https://4ort.xyz/entity/time-irreversibility-of-heart-rate-oscillations-in-newborns-does-it-reflect-system-nonlinearity