title: [Immunization using antigenic fractions].
mesh_terms: D000818:Animals; D002006:Brucellosis / Q000276:immunology*; D002007:Brucellosis, Bovine / Q000276:immunology*; D002417:Cattle; D007114:Immunization; D014611:Vaccination
keywords: BRUCELLOSIS, BOVINE/immunology; BRUCELLOSIS/immunology