Comparison of skinfold thicknesses and bioelectrical impedance analysis with dual-energy x-ray absorptiometry for the assessment of body fat in patients on long-term hemodialysis therapy - Kamimura, M A; Avesani, C M; Cenderoglo, M; Canziani, M E; Draibe, S A; Cuppari, L (Nephrol Dial Transplant, 2003)