title: Persistent activity of injectable ivermectin in the control of the cattle tick Boophilus microplus.
authors.affiliation: Merck & Co, Rahway, New Jersey 07065.
authors.forename: L G
authors.initials: LG
authors.lastname: Cramer
authors.forename: A A
authors.initials: AA
authors.lastname: Bridi
authors.forename: N K
authors.initials: NK
authors.lastname: Amaral
authors.forename: S J
authors.initials: SJ
authors.lastname: Gross
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D007279:Injections, Subcutaneous / Q000662:veterinary; D007559:Ivermectin / Q000008:administration & dosage / Q000627:therapeutic use*; D013984:Tick Infestations / Q000188:drug therapy / Q000662:veterinary*
chemical_list: D007559:Ivermectin