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2. The molecular biology of drug resistance in parasitic helminths;Coles,1989
3. Resistance by Haemonchus contortus to ivermectin in Angora goats;Craig;Vet. Rec.,1990
4. Resistance of sheep and goat nematodes in Texas to anthelmintics. Sheep and goat; Wool and mohair;Miller;Tex. Agric. Exp. Stn. Res. Rep.,1988
5. Anthelmintic resistance in nematodes: extent, recent understanding and future directions for control and research;Prichard;Int. J. Parasitol.,1990