Mohan, K.; Foggin, Chris M.; Dziva, Francis; Muvavarirwa, P.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
Mukaratirwa, S.; Magwedere, Kudakwashe; Matenga, E.; Foggin, Chris M.(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)