Engels GE, Arsov S, Rakhorst G, van Oeveren W, Stegmayr B, Graaff R. FLUORESCENCE OF TOTAL AND FREE FLUOROPHORES IN BLOOD PLASMA BEFORE AND AFTER HAEMODIALYSIS, in INTERNATIONAL JOURNAL OF ARTIFICIAL ORGANS.Vol 33. WICHTIG EDITORE 72/74 VIA FRIULI, 20135 MILAN, ITALY; 2010:464–464.