Comparison study of bioelectrical impedance analyzers for measuring lower limb muscle mass in middle-aged and elderly adults - Huang, Ai-Chun; Lu, Hsueh-Kuan; Liang, Chien-Wei; Hsieh, Kuen-Chang; Tsai, Yi-Sung; Lai, Chung-Liang (Frontiers in Nutrition, 2025)