# The Curtain Sign in Lung Ultrasound

> Research article (Journal of Medical Ultrasound, 2017) · cited 40× · AI/ML

**Wikidata**: [openalex:W2620608465](https://www.wikidata.org/wiki/openalex:W2620608465)  
**Source**: https://4ort.xyz/entity/the-curtain-sign-in-lung-ultrasound