Koetsier M, Arsov S, Engels GE, Stegmayr B, Rakhorst G, Graaff R. CHANGES OF REFLECTION SPECTRA IN HEMODIALYSIS, in INTERNATIONAL JOURNAL OF ARTIFICIAL ORGANS.Vol 33. WICHTIG EDITORE 72/74 VIA FRIULI, 20135 MILAN, ITALY; 2010:464–464.