[P2–041]: POTENTIAL THERAPEUTIC SYSTEM FOR ALZHEIMER's DISEASE BY REMOVING BLOOD Aβ: EFFECTS OF BLOOD PURIFICATION PERIOD ON Aβ REMOVAL EFFICIENCIES IN HEMODIALYSIS PATIENTS. (1st July 2017) - Morikawa, Hiroshi; Tomizawa, Hiroshi; Kawaguchi, Kazunori; Suzuki, Nobuo; Ohashi, Norimi; Sakata, Miwa; Mineshima, Michio; Sobajima, Hiroshi; Hasegawa, Midori; Mizuno, Masao; Yuzawa, Yukio; Kitaguchi, Nobuya