4Abrutyn E ,Goldmann D A, Scheckler W E. "Infection control reference service: the experts : guide to the guidelines [- M:. 2nd ed, New York:WB Saunders Company,2001:1453.
5Akrum R,Frohlich M,Gerritsen A F, et al . Ultrapure water for dialysate contributes to a lower activation state of peripher- al blood mononuclear cells[J]. Kidney Int, 1999,55 (3) .- 1158 - 1171.