title: [The immunological reaction of sheep to Brucella vaccine strains of varying virulence].
mesh_terms: D000818:Animals; D002002:Brucella / Q000472:pathogenicity; D002004:Brucella Vaccine; D012756:Sheep / Q000276:immunology*; D012757:Sheep Diseases / Q000276:immunology; D014774:Virulence
chemical_list: D002004:Brucella Vaccine
vernacular_title: Immunologicheskaia reaktsiia na vaktsinnye shtammy brutsell razlichnoi virulentnosti u ovets.