AUTHOR=Masset Kalina Veruska Da Silva Bezerra , Silva Analiza M. , Ferrari Gerson , Cabral Breno Guilherme De Araújo Tinoco , Dantas Paulo Moreira Silva , Da Costa Roberto Fernandes TITLE=Development and cross-validation of predictive equations for fat-free mass estimation by bioelectrical impedance analysis in Brazilian subjects with overweight and obesity JOURNAL=Frontiers in Nutrition VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1499752 DOI=10.3389/fnut.2025.1499752 ISSN=2296-861X