title: Recovery of Brucella abortus, strain 19 from immunized cattle.
mesh_terms: D000818:Animals; D002003:Brucella abortus / Q000302:isolation & purification*; D002007:Brucellosis, Bovine / Q000276:immunology*; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D005260:Female; D008892:Milk / Q000382:microbiology