TORRES, F. C. ; LUCAS, A. M. ; RIBEIRO, V. L. S. ; MARTINS, J. R. ; POSERB, G. L. V. ; GUALA, M. S. ; ELDER, H. V. ; CASSEL, E. . Influence of Essential Oil Fractionation by Vacuum Distillation on Acaricidal Activity Against the Cattle Tick. Brazilian Archives of Biology and Technology (Online), v. 55, p. 613-621, 2012.