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)
Venter, Marietjie; Human, Stacey; Van Niekerk, Stephanie; Williams, June Heather; Van Eeden, Charmaine; Freeman, Frank(Coordinating Center for Infectious Diseases, Centers for Disease Control and Prevention, 2011-08)