TY JOUR TI RETROSPECTIVE ANALYSIS OF URINARY SYSTEM DISEASES IN CATS IN PENZA KW urolithic illness KW cats KW commercial forage KW urolithiasis KW idiopathic cystitis JO Bulletin of KSAU AU Vorontsova, O.A. AU Pudovkin, N.A. AU Salautin, V.V. PY 2019 IS 0 PB Krasnoyarsk State Agrarian University