Azevedo, S.S. de, Fernandes, A.R.F., Queiroga, I.M.B.N., Alves, C.J., Morais, Z.M. de, Santos, C. de S.A.B. and Vasconcellos, S.A. 2011. Occurrence and risk factors associated with leptospirosis in dogs attended in a veterinary hospital in the semiarid of the Paraíba State, Northeast region of Brazil. Brazilian Journal of Veterinary Research and Animal Science. 48, 2 (Apr. 2011), 161-166. DOI:https://doi.org/10.11606/S1413-95962011000200009.