Comparison of Solute Clearance, Hospitalization Rate, and Aortic Arch Calcification between Online Hemodiafiltration and High-Flux Hemodialysis: A 6-Year Observational Study oleh Na Hao, Cheng-Hong Yang, Hong-Tao Yang, Chien-Hsing Wu, Yang-Yang Lei, Yu-Pin Wu, Wan-Ting Lin, Terry Ting-Yu Chiou, Jin-Bor Chen