Sahle, M.; Burgess, G.W.; Boomker, Jacob Diederik Frederik
(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2002)
A simple and inexpensive method of antigen preparation by ultrafiltration was investigated using the V4 strain of Newcastle disease virus. The antigen designated XM300 was used in an indirect enzyme-linked immunosorbent ...
