Botha, C.J. (Christoffel Jacobus); Crafford, Jan Ernst; Butler, V.P. Jr.; Stojanovic, M.N.; Labuschagne, Leonie(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2007-12)
Botha, C.J. (Christoffel Jacobus); Lewis, Alex; Du Plessis, Elizabeth C.; Clift, Sarah J.; Williams, Mark C.(American Association of Veterinary Laboratory Diagnosticians, 2012-09-18)