N. Kasai, S. M. Gennari, S. M. Nishi, and J. P. Di Giacomo, “Efficacy and persistence of cypermethrin 4.5% + DDVP 50% (Ectofarma®) in the control of Boophilus microplus and larvae of Dermatobia hominis on naturally infested crossbred dairy cattle”, Braz. J. Vet. Res. Anim. Sci., vol. 34, no. 1, pp. 44-47, Feb. 1997.