title: Serological prevalence of bovine brucellosis in El Salvador.
mesh_terms: D000372:Agglutination Tests / Q000662:veterinary; D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis; D002002:Brucella / Q000276:immunology; D002007:Brucellosis, Bovine / Q000453:epidemiology* / Q000276:immunology; D002417:Cattle; D004544:El Salvador; D005260:Female; D008297:Male
chemical_list: D000907:Antibodies, Bacterial