Citric-acid dialysate improves the calcification propensity of hemodialysis patients: A multicenter prospective randomized cross-over trial. oleh Karlien J Ter Meulen, Marijke J E Dekker, Andreas Pasch, Natascha J H Broers, Frank M van der Sande, Jeroen B van der Net, Constantijn J A M Konings, Isabelle M Gsponer, Matthias D N Bachtler, Adelheid Gauly, Bernard Canaud, Jeroen P Kooman