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Holsback, L.; Silva, M. A. da; Patelli, T. H. C.; Jesus, A. P. de; Sanches, J. R. Resistance of Haemonchus, Cooperia, Trichostrongylus, and Oesophagostomum to Ivermectin in Dairy Cattle in ParanĂ¡. Sem. Ci. Agr. 2015, 36, 2031-2036.