title: Avermectin resistance of the cattle tick Boophilus microplus in Brazil.
authors.forename: J R
authors.initials: JR
authors.lastname: Martins
authors.forename: J
authors.initials: J
authors.lastname: Furlong
mesh_terms: D000818:Animals; D001938:Brazil; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D004351:Drug Resistance; D007306:Insecticides / Q000494:pharmacology*; D007559:Ivermectin / Q000031:analogs & derivatives / Q000494:pharmacology*; D013984:Tick Infestations / Q000188:drug therapy / Q000662:veterinary*; D013987:Ticks / Q000187:drug effects*
chemical_list: D007306:Insecticides; D007559:Ivermectin; C019264:avermectin