[1]
Pacheco, R.C. et al. 2004. Dynamic of the natural infection by Anaplasma marginale in Holstein cows and calves in the Londrina region, North of Paraná State, Brazil. Semina: Ciências Agrárias. 25, 3 (May 2004), 235–244. DOI:https://doi.org/10.5433/1679-0359.2004v25n3p235.