1. Economic impact of worm infections in small ruminants in South East Asia, India and Australia;MacLeod,2004
2. Prospects for vaccines against helminth parasites of grazing ruminants;Smith;Vet Parasitol,1999
3. Knox DP, Smith SK, Smith WD, Redmond DL, Murray J. Vaccines against helminthic parasites: thiol binding proteins, International Patent, WO 95/26402, 1995.
4. Protection induced by vaccinating sheep with a thiol-binding extract of Haemonchus contortus membranes is associated with its protease components;Knox;Parasite Immunol,2005
5. The contribution of molecular biology to the development of vaccines against nematode and trematode parasites of domestic ruminants;Knox;Vet Parasitol,2001