Evaluation of pyrethroids impregnated in cattle ear tags for control of face flies and horn flies.

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@article{Williams1980EvaluationOP, title={Evaluation of pyrethroids impregnated in cattle ear tags for control of face flies and horn flies.}, author={Robert Williams and Elizabeth Westby}, journal={Journal of economic entomology}, year={1980}, volume={73 6}, pages={791-2} }