TY JOUR TI Path morphological alterations in sheep with scrapie: light and electron microscopy KW sheep KW scrapie KW bovine spongiform encephalopathy KW prion KW histopathology KW electron microscopy JO Russian veterinary journal AU Nadtochey, G.A. AU Vangeli, S.V. AU Stafford, V.V. PY 2019 IS 2019 PB Publishing house "Logos Press"