SP679FACTORS AFFECTING CALCIFICATIONS OF DIFFERENT CARDIAC VALVES IN HAEMODIALYSIS PATIENTS IN GREECE. (18th May 2018) - Plytzanopoulou, Petrini; Ellina, Olga; Politis, Panagiotis; Kokores, Ioanna; Parissis, Christoforos; Tserkezis, Georgios; Paraskevopoulou, Pinelopi