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A field case of ivermectin resistance in Ostertagia of sheep |
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| Authors: | N SWAN J J GARDNER RB BESIER R WROTH |
| Institution: | PO Box 1514, Esperance, Western Australia 6450;Department of Agriculture, PMB 50, Esperance, Western Australia 6450;Department of Agriculture, Albany Regional Laboratory, Albany Highway, Albany, Western Australia 6330;Department of Agriculture, Animal Health Laboratories, Baron Hay Court, South Perth, Western Australia 6151 |
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