Williamson, Catherine C.; Oberem, P.T.; Poerstamper, C.; De Waal, D.T.; Matthee, O.; Brett, O.L.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1988)
An ELISA was developed using an SDS extract of Brucella abortus as antigen to detect antibodies in cattle sera. The antigen was stable at 4 °C for at least 4 years and although it gave optimal results at a 1/4 000 dilution ...