The effect of butaselmevit and closaverm A on the immune status of cows with experimental fasciolosis sensitized by atypical mycobacteria
Naukovij vìsnik Lʹvìvsʹkogo nacìonalʹnogo unìversitetu veterinarnoï medicini ta bìotehnologìj ìmenì S.Z. G̀žicʹkogo