# HDlive and 4D Ultrasound in the Assessment of Fetal Facial Expressions

> Research article (Donald School Journal of Ultrasound in Obstetrics & Gynecology, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W4232698289](https://www.wikidata.org/wiki/openalex:W4232698289)  
**Source**: https://4ort.xyz/entity/hdlive-and-4d-ultrasound-in-the-assessment-of-fetal-facial-expressions