title: Epizootiologic factors of bovine brucellosis: comparative bacteriologic studies of infected herds.
mesh_terms: D000372:Agglutination Tests; D000818:Animals; D001431:Bacteriological Techniques; D002003:Brucella abortus / Q000302:isolation & purification; D002007:Brucellosis, Bovine / Q000382:microbiology*; D002417:Cattle; D008892:Milk / Q000382:microbiology