title: The use of a hardjo-pomona vaccine to prevent leptospiruria in cattle exposed to natural challenge with Leptospira interrogans serovar hardjo.
mesh_terms: D000818:Animals; D002417:Cattle / Q000276:immunology*; D005260:Female; D007922:Leptospirosis / Q000276:immunology* / Q000517:prevention & control; D014611:Vaccination / Q000662:veterinary*