title: [Importance of the species of the vaccinal strain of Brucella in the immunization of heifers].
mesh_terms: D000818:Animals; D002002:Brucella / Q000276:immunology*; D002004:Brucella Vaccine / Q000008:administration & dosage*; D002003:Brucella abortus / Q000276:immunology; D002417:Cattle / Q000276:immunology*; D005260:Female; D007109:Immunity; D007114:Immunization / Q000662:veterinary*; D013045:Species Specificity; D013997:Time Factors
chemical_list: D002004:Brucella Vaccine
vernacular_title: Znachenie vida brutsell vaktsinnogo shtamma pri immunizatsii telok.