SP647THE WEEKEND EFFECT IN CHRONIC HEMODIALYSIS PATIENTS: A SINGLE CENTER EXPERIENCE. (13th June 2019) - YILDIRIM, Tolga; Sener, Yusuf Ziya; Bolek, Ertugrul Cagri; Yilmaz, Rahmi; Arici, Mustafa; Altun, Bulent; Erdem, Yunus