Klafke, G. M. ; SABATINI, G. A. ; ALBUQUERQUE, T. A. ; MARTINS, J. R. ; KEMP, D. ; MILLER, R. J. ; SCHUMAKER, T. T. . Larval immersion tests with ivermectin in populations of the cattle tick Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) from State of Sao Paulo, Brazil. Veterinary Parasitology, v. 142, p. 386-390, 2006.