Riccio, Eleonora, Sabbatini, Massimo, Bruzzese, Dario, Grumetto, Lucia, Marchetiello, Cristina, Amicone, Maria, Andreucci, Michele, Guida, Bruna, Passaretti, Davide, Russo, Giacomo, Pisani, Antonio, "Plasma p-cresol lowering effect of sevelamer in non-dialysis CKD patients: evidence from a randomized controlled trial", Clinical and Experimental Nephrology, 2018