# A Phonocardiographic-Based Fiber-Optic Sensor and Adaptive Filtering System for Noninvasive Continuous Fetal Heart Rate Monitoring

> Research article (Sensors, 2017) · cited 93× · AI/ML

**Wikidata**: [openalex:W2605959088](https://www.wikidata.org/wiki/openalex:W2605959088)  
**Source**: https://4ort.xyz/entity/a-phonocardiographic-based-fiber-optic-sensor-and-adaptive-filtering-system-for-noninvasive-continuous-fetal-heart-rate-