Comparison of air-displacement plethysmography with HW and bioelectrical impedance analysis for the assessment of body composition in healthy adults - Biaggi, R R; Vollman, M W; Nies, M A; Brener, C E; Flakoll, P J; Levenhagen, D K; Sun, M; Karabulut, Z; Chen, K Y (Am J Clin Nutr, 1999)