Kasai, N. et al. 1997. 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. Brazilian Journal of Veterinary Research and Animal Science. 34, 1 (Feb. 1997), 44–47. DOI:https://doi.org/10.11606/issn.2318-3659.v34i1p44-47.