title: Bovine brucellosis in the Highveld region: effect of calfhood vaccination.
authors.forename: J A
authors.initials: JA
authors.lastname: Erasmus
mesh_terms: D000818:Animals; D002007:Brucellosis, Bovine / Q000517:prevention & control*; D002417:Cattle; D013019:South Africa; D014611:Vaccination / Q000662:veterinary*