Montes A., D. et al. 2011. Frequency of infection by Leptospira sp. in white neck squirrel (Sciurus stramineus) in a zoo of Lima city. Revista de Investigaciones Veterinarias del Perú. 22, 1 (Mar. 2011), 66–71. DOI:https://doi.org/10.15381/rivep.v22i1.124.