Silva, W., 		Delfino, L., 		Medeiros, M., & 		Silva, J.
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 Multiple resistances of gastrointestinal nematodes to anthelmintic groups in cattle of semiarid of Paraíba, Brazil.
<em>Acta Brasiliensis, 1</em>(2), 29-32.
doi:10.22571/Actabra12201735