# Lower Bound on Estimation Variance of the Ultrasonic Attenuation Coefficient Using the Spectral-Difference Reference-phantom Method

> Research article (Ultrasonic Imaging, 2016) · cited 11× · AI/ML

**Wikidata**: [openalex:W2534873400](https://www.wikidata.org/wiki/openalex:W2534873400)  
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