References
- Hodges , R. T. and Ris , D. R. 1974 . Complement fixing and agglutinating antibody responses and leptospiruria in calves inoculated with Leptospira serotypes pomona, hardjo, copenhageni or ballum . N.Z. vet. J. , 22 : 25 – 30 .
- Johnson , R. C. and Harris , V. G. 1967 . Differentiation of pathogenic and saphrophytic Leptospires. 1. Growth at low temperatures . J. Bact. , 94 : 27 – 31 .
- Robertson , A. and Boulanger , P. 1963 . Comparison of the complement fixation test and the microscopic agglutination test (agglutination-lysis) for the detection of leptospiral serogroup antibodies . Can. J. comp. Med. , 27 : 113 – 120 .