Bravo, Maribel In vitro efficacy of amitraz and cypermethrin on Boophilus microplus from dairy farms in Lara State, Venezuela. [electronic resource] - Annals of the New York Academy of Sciences Dec 2008 - 246-8 p. digital Publication Type: Journal Article ISSN: 1749-6632 Standard No.: 10.1196/annals.1428.032 doi Subjects--Topical Terms: AnimalsCattleDairyingInsecticidesPyrethrinsTicksToluidinesVenezuela