TY JOUR TI Safe and effective use of the oral bihormonal drug for the long-term regulation of reproductive function in home cats KW safety KW efficacy KW bi-hormonal contraceptive drug KW SEX BARRIERĀ® KW cats JO Russian veterinary journal AU Zeynalov, O.A. AU Belova, E.E. AU Mukaseev, S.V. AU Beloglazov, D.V. PY 2020 IS 2020 PB Publishing house "Logos Press"