1. Efficacy of controlled release albendazole in sheep with nematode infections resistant to benzimidazole anthelmintics;Anderson,1990
2. Evaluation of a mixture of anthelmintics against resistant nematodes in sheep;Anderson,1990
3. Clinical nematodiriasis in calves due to Nematodirus battus infections;Armour;Vet. Rec.,1988
4. Resistance to ivermectin in a field strain of Ostertagia in goats;Badger;N. Z. vet. J.,1990
5. Population dynamics of Trichostrongylus colubriformis in sheep: Computer model to simulate grazing systems and the evolution of anthelmintic resistance;Barnes;Int. J. Parasitol.,1990