TY JOUR TI Ultrasonographic evaluation of the kidneys in cats with chronic nephropathies KW cats KW ultrasound diagnostics KW chronic kidney disease KW diffuse kidney changes KW focal kidney changes KW nephropathies KW nephrolithiasis KW medulla rimsign KW echogenicity KW echosrtucture KW doppler examination JO Agrarian Bulletin of the AU А, Г.В. AU Bychkova, V.A. AU Kostylev, V.A. PY 2023 IS 233 PB Ural State Agrarian University