1. Functional diversity of helper T lymphocytes
2. Decline in total serum IgE after treatment for tuberculosis
3. P. A. Basson, R. M. McCully, S. P. Kruger, J. W. van Niekerk, E. Young, and V. de Vos .1970 .Parasitic and other diseases of the African buffalo in the Kruger National Park .Onderstepoort Journal of Veterinary Research,37:11 -28 .
4. Repeatability of measurements of packed cell volume and egg count as indicators of endoparasite load and their relationship with sheep productivity
5. R. G. Bengis, N. P. J. Kriek, D. F. Keet, J. P. Raath, V. de Vos, and H. F. K. A. Huchzermeyer .1996 .An outbreak of bovine tuberculosis in a free-living African buffalo (Syncerus caffer-Sparrman) population in the Kruger National Park--A preliminary report .Onderstepoort Journal of Veterinary Research,63:15 -18 .