AUTHOR=Zhaivoronok Maksym , Dynnyk Oleh , Livkutnyk Olexandr , Yerokhovych Viktoriia , Yuzvenko Violetta , Serednia Iryna , Melnychenko Yelizaveta , Kobyliak Nazarii TITLE=Inter- and Intraobserver variability of attenuation coefficient measurement in innovative ultrasound diagnosis of metabolic dysfunction-associated steatotic liver disease: a cross-sectional study JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1457960 DOI=10.3389/fmed.2025.1457960 ISSN=2296-858X