# 2D ultrasound imaging based intra-fraction respiratory motion tracking for abdominal radiation therapy using machine learning

> Research article (Physics in Medicine and Biology, 2019) · cited 26× · AI/ML

**Wikidata**: [openalex:W2963557746](https://www.wikidata.org/wiki/openalex:W2963557746)  
**Source**: https://4ort.xyz/entity/2d-ultrasound-imaging-based-intra-fraction-respiratory-motion-tracking-for-abdominal-radiation-therapy-using-machine-lea