N.R. GATIYATULLIN1,2, R. DAVKHALE1, L.I. FAKHRUTDINOVA2 1Republican Clinical Hospital of the MH of RT, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064 2Kazan State Medical Academy, 36 Butlerov Str., Kazan, Russian Federation, 420012  Gatiyatullin N.R. ― Head of the Department of Hemodialysis, assistant of the Department of Urology and Nefrology, tel. +7-903-388-05-99, e-mail: [email protected] Davkhale R. […]