Alves, J.R.A. et al. 2017. Epidemiological characterization and risk factors associated with leptospirosis and brucellosis in small ruminants sold at animal fair in the Sertão Region of Pernambuco State, a semiarid Region of Northeastern Brazil. Semina: Ciências Agrárias. 38, 4 (Aug. 2017), 1933–1946. DOI:https://doi.org/10.5433/1679-0359.2017v38n4p1933.