FP542ELEVATION OF SERUM BISPHENOL S (BPS) CONCENTRATIONS IN PATIENTS UNDERGOING HEMODIAYLSIS (HD) BY CHANGING DIALYZERS FROM POLYSULFONE TO POLYETHERSULFONE MEMBRANES. (13th June 2019) - Tanabe, Takehiro; Kihara, Emi; Arita, Kazuko; Maeda, Katsutoshi; Oda, Hiroaki; Doi, Shigehiro; Masaki, Takao