Pinho, A.P.V.B. et al. 2014. Serological study of brucellosis and leptospirosis in equines of island Maiandeua (Algodoal) state of Pará. Semina: Ciências Agrárias. 35, 6 (Dec. 2014), 3221–3230. DOI:https://doi.org/10.5433/1679-0359.2014v35n6p3221.