# Automatic analysis of pre‐ejection period during sleep using impedance cardiogram

> Research article (Psychophysiology, 2019) · cited 32× · AI/ML

**Wikidata**: [openalex:W2918769252](https://www.wikidata.org/wiki/openalex:W2918769252)  
**Source**: https://4ort.xyz/entity/automatic-analysis-of-preejection-period-during-sleep-using-impedance-cardiogram