1. Rift Valley fever vaccine—antibody and immune response in cattle to a live and an inactivated vaccine;Barnard;J. S. Afr. Vet. Assoc.,1979
2. Barnard, B.J.H., Gerdes, G.H., 2000. Rift Valley fever. In: OIE Manual of Standards for Diagnostic Tests and Vaccines, fourth ed. Office International des Epizooties, Paris, France, pp. 144–152.
3. Variation of sensitivity, specificity, likelihood rations and predictive values with disease prevalence;Brenner;Stat. Med.,1997
4. Enzyme-linked immunosorbent assay for the detection of antibody to Crimean-Congo haemorrhagic fever virus in the sera of livestock and wild vertebrates;Burt;Epidemiol. Infect.,1993
5. Blockx, P., Martin, M., 2001. Laboratory quality assurance. In: D. Wild (Ed.), The Immunoassay Handbook, second ed. Nature Publishing Group, New York, pp. 424–438.