TY JOUR TI MORPHOLOGICAL APPROACHES IN SOLVING REGIONAL PROBLEMS OF AQUATIC ANIMAL PATHOLOGY KW fish KW pathomorphology KW epithelium KW hyperplasia KW dysplasia KW malignancy KW virus JO Vestnik of Omsk SAU AU SAKHAROV, A.V. AU MAKEEV, A.. AU LOSHENKO, V.I. PY 2025 IS 57 PB FSBEI HE Omsk SAU