TY JOUR TI JUSTIFICATION OF SURGICAL TREATMENT OF BILATERAL PERINEAL HERNIA IN DOGS KW dogs KW bilateral perineal hernia KW surgical access JO Vestnik of Omsk SAU AU SAMCHUK, V.I. AU DOROFEEVA, V.P. AU MARKOVA, M.V. AU SNITKO, I.O. PY 2023 IS 50 PB FSBEI HE Omsk SAU