No abstract available
MeSH terms
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Animals
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Benzimidazoles / pharmacology*
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Dose-Response Relationship, Drug
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Drug Resistance
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Feces / parasitology*
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Haemonchus / drug effects
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Nematoda / drug effects*
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Ostertagia / drug effects
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Ovum / drug effects*
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Oxygen
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Preservation, Biological
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Sheep / parasitology*