Yusufmia, S.B.A.S. (Saira Banu Abdul Sattar); Collins, Nicola E.; Nkuna, R.; Troskie, Milana; Van den Bossche, Peter; Penzhorn, Barend Louis(Journal of the South African Veterinary Association, 2010)
Cloete, M.; Dungu, B.; Van Staden, L.I.; Ismail-Cassim, N.; Vosloo, Wilna(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2008-03)