Miller, D A Survey to estimate prevalence of Leptospira interrogans infection in mature cattle in the United States. [electronic resource] - American journal of veterinary research Nov 1991 - 1761-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0002-9645 Subjects--Topical Terms: Agglutination TestsAnimalsAntibodies, Bacterial--bloodCattleCattle Diseases--epidemiologyFemaleFluorescent Antibody TechniqueKidney--parasitologyLeptospira interrogans--immunologyLeptospirosis--epidemiologyMalePrevalencePuerto Rico--epidemiologyUnited States--epidemiology